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E D Study Material
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This Module is developed by Sri. S .Yadava Reddy Mandal Educational Officer, Mandal: Thoguta.
Sri. J. Vishnu Vardhan Reddy SA Maths/HM, ZPHS Kondapur,Mandal: Mirdoddi .
Sri. P. Ashok Reddy SA Maths ,GHS Paripally, Mandal:Siddipet Urban .
Sri. Ch. Vijender Reddy SA Maths ,ZPHS Sirsinagandla, Mandal:Kondapak .
Sri. E Srinivas SA Maths ,ZPHS Singannaguda, Mandal:Mulugu .
Sri. Y. Thirupathi SA Maths ,ZPHS Gurralagondi, Mandal:Siddipet Rural .
Sri. R. Srinivas Reddy SA Maths ,ZPHS Jangapally, Mandal:Mirdoddi .
Sri. A.Narotham Reddy SA Maths ,ZPHS Duuddeda, Mandal:Kondapak .
Sri. M.Madhusudhan SA Maths ,ZPHS Chellapur, Mandal:Dubbak .
Sri. N. Chandra Reddy SA Maths ,ZPHS Akkannapet, Mandal:Akkannapet .
Sri. Ch. Maheshwer SA Maths ,ZPHS Samudrala, Mandal:Koheda .
Sri. V. Ajay Kumar Reddy SA Maths ,ZPHS Ahmadipur, Mandal:Gajwel
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a bq r
o r b
a,
a x
a b,
N
a b
x Log N (a o,
a l , N O, a, N R )
87 37 16
80 , 81 , 125
7,3 5, 2 7
4 Log 256
3 Log 5 4 L og 3
81
62018 3 www.tlm4all.com
Ex. : A = {x:x } A = {6, 12, 18, 24, 30, 36}
B = {x:x} B = {1, 2, 3, 4, 6, 8,12, 16, 24, 48}
Ex. :
1.
P = {2, 3, 5, 7, 11, 13, 17, 19} P { x : x }
2.
Q = {1, 2, 3, 4, 6, 8, 12, 24} Q { x : x }
D {x : x 2 3 0, x } R { x : x } N { x / x } Ex : B {x / x x 2 3 x 2 0 } A {2, 3, 4, 5} n( A) 4 B {1, 2} n( B ) 2
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A B A B A {2, 4, 6} B {1, 2,3, 4,5,6, 7,8} A B
C {x / x } C {1, 2, 4,8} ,{1},{2},{4},{8}
{1, 2},{1, 4},{1,8},{2, 4},{2,8},{4,8} {1, 2, 4},{1, 2,8},{1, 4,8},{2, 4,8},{1, 2, 4,8}
n 4 2n 24 16 () () () ( A B ) A B A {x / x } B {x / x } ( A B ) Sol:
A {1, 2, 4,8,16}, B {4,8,12,16} A B {1, 2, 4,8,12,16} {1, 2, 4,8,12,16}
( A B ) A B {x / x A (or ) x B}
A,B A B Ex: A {1, 2,3, 4, 5, 6, 7,8} B {2,3, 5, 7,9,11}
A B
A B {1, 2,3, 4,56, 7,8} {2,3,5,7,9,11} {2,3,5,7}
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A B
A B {x : x A x B}
A B(A-B) B A (B-A) Example : A {2, 4,8,16,32, 64} B {2,3, 4,5,8,9,10} A B {2, 4,8,16,32, 64} {2,3, 4,5,8,9,10} {16,32, 64} B A {2,3, 4, 5,8,9,10} {2, 4,8,16,32, 64} {3,5, 9,10} A-B A B {x : x A x B}
B-A B A {x : x A
x B}
A,BA,B Example :
A {2, 4, 6,8,10}, B {3, 5, 7,9,11} A B {2, 4, 6,8,10} {3,5, 7,9,11} A B { } .
n( A B) 0
A B 1.
A
B
3.
A
B
A B
2.
A
B
A B
4.
A
B
B A
A B
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A B A, B, A B, A B, A B, B A 1, n( A B ) n( A) n( B ) n( A B ) 2, 13, 3,5, 9,10, 11
4,6, 14,15 7,8,
Sol : A {1, 2, 3, 4,5, 6, 7,8, 9,10,11} n( A) 11 B {2, 4, 6, 7,8,11,13,14,15} n( B ) 8 A B {1, 2, 3, 4,5, 6, 7,8, 9,10,11,13,14,15} n( A B ) 14
A {x / x KNOWLEDGE A {4, 6,8,9,10,12} 1 1 1
1
A {1, 4 , 9 , 16 , 25} A B {3, 4,5}, B A {1,8,9} and A B {6, 7} A B P {x / x } Q {x / x } i ) if ( P Q ) ( P Q ) ii ) ( P Q ) ( P Q )
B
A a b c
d c
f g
1) ( A B )
4)( B A) 5) ( A B ) ( B A)
2) ( A B ) 3)( A B )
6) A ( A B )
A B {2, 4, 6, 7,8, 9} n( A B) 6 A B {1, 3, 5,9,10} n( A B ) 5
n( A B) n( A) n( B ) n( A B)
B A {13,14,15} n( B A) 3
14 11 9 6 14 20 6 14 14
A, B n( A) 5, n( B) 6 n( A B), n( A B) n( A B ), n ( B A) Sol : A, B A B n( A B ) n( A) n( B ) 5 6 11 n( A B ) 0 n( A B ) n( A) 5 n( B A) n( B ) 6
A B A
A,B
B
A
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B
p( x) ax b, p( x) ax 2 bx c, p( x) ax3 bx 2 cx d p( x ) ax b x
b ax b 0 x a
p( x) ax
2
b bx c x
b 2 4ac 2a
, , p( x) a( x 2 ( ) x ) , ,
p( x) x3 ( ) x 2 ( ) x
( ) c ( ) a x 2
b x 2 a x
( )
c x a x3
d 3 a x
b x 2 3 a x
x { } 8 www.tlm4all.com
p( x) 3 x 3 4 x 2 5 x 8 p( x) x 2 x 6 p( x) 3 x 2 4 x 7 1 3
2, and
p( x) 3 x3 5 x 2 11x 3
3 2
p( x) x 2 4 x 5
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a1 x b1 y c1 0, a2 x b2 y c2 0
a1 x b1 y c1 0,
a2 x b2 y c2 0
a
b
a
b
a
b
a12 b12 c
a12 b12 c12 a1 b1 2
2
c1 c2
2x 3 y 8 0 x 2 y 10 0
4x 5 y 2 0 4 x ky 7 0 3x 2 y 5 0 px 4 y 6 0
K P
x 2y 3 0 7 x 14 y k 0
K 10 www.tlm4all.com
x
b b 2 4ac 2a
ax bx c 0 arex b
b2 4ac
2
ax 2 bx c 0 arex b b 2 4ac 0 b 2 4ac 0 b 2 4ac 0
x 2 5 x 6 0 3x 2 2 x 1 0 6
2
x 2 5 x 5 0 1
3x 2 4 x 3 0 4 x 2 Kx 7 0 K 3x 2 2 x P 0 P Px 2 3x q 0 p,q x 2 Kx 9 0 9 x 2 7 x 3 0 x 2 3x 7 0 11 www.tlm4all.com
D0 (b2 4ac 0) D0 (b 4ac 0) 2
D0 (b 2 4ac 0)
b D 2a b D 2a
b b , 2 a 2a
b D 2a b D 2a
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n [ a , a d , a 2d ..........a ( n 1) d ]
an a (n 1)d d= a=
n n n sn [2a ( n 1) d ] , sn [ a an] 2 2
n an ar n 1 [a, ar , ar 2 .........ar n 1 ] r = a =
a2=38, a6=-22 an=3+4n 3,3, 3 3 13 www.tlm4all.com
'X' 'Y'A,B I x2-x1I 'Y''X'A,B I y2-y1I A( x y ) B ( x y A) (is x y( x) B(x x ) y )(isy ( xy ) x ) 2 ( y y ) 2 x1,y1 x 2 y 2 A( x , 0), B(0, y ) x,y x 2 y 2 A,B,C AB+BC=ACAC+CB=ABAB+AC=BC A,B,C AB=BC=AC ABC AB=BC or AC=BC or AB=AC ABC AC2=AB2+BC2 ABC A,B,C,D AB=CD, AD=BC AC=BD AB=BC=CD=DA AC=BD AB=CD, AD=BC, AC=BDAC BD AB=BC=CD=AD AC=BD ABP A,BAP:PB, A,BP 1
1
2
2
1
1 2
12
2
2
21
1
2
1
1
1
1
1
1
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1
---- m1 ----, ---- m2 ---A( x1 y1) P ( x1 y ) B ( x 2 y 2)
---- M1 ----, ---- M2 ----
m1 x 2 m 2 x1 m1 y 2 m 2 y1 P ( x, y ) , m1 m 2 m1 m 2
A( x1 y1) P ( x1 y ) B ( x 2 y 2)
ABP AB AP:BP, AB P ----m1 ----, ---- m2 ----
m1 x 2 m 2 x1 m1 y 2 m 2 y1 P ( x, y ) , m1 m 2 m1 m 2
A( x1 , y1) B ( x 2 , y 2 ) P ( x1 , y )
x1 x 2 y 1 y 2 , 2 2
P AB P( x y) 1
A( x , y ) B( x , y ) C ( x , y ) G ( x y ) 1
1
2
2
3
3
1,
x1 x 2 x 3 y1 y 2 y 3 G ( x, y ) , 3 3
x 2 2 x1 y 2 2 y1 2 :1 P( x, y ) 2 x 2 x1 , 2 y 2 y1 1: 2 P( x, y ) , 3 3 3 3
A( x y ), B( x y ) C ( x 1
1
2
1
3
y 3)
x1( y 2 y 3) x 2 ( y 3 y1) x3( y1 y 2)
ABC : 2
2
ABC A,B C abc S (s a)(s b)(s c) S 2 a,b c A( x y ) B( x y ) y y y m m= x x x 1,
1
2,
2
2
1
2
1
x m tan 15 www.tlm4all.com
DEBCx A 2 4 D
>
3 B
E x
>
C
PQR,PQ=4 cm, QR=5 cm,PR=7 PQR ABC DEF , BC 3 cm, EF 4cm ABC ( DEF ) 16 www.tlm4all.com
P x0
600
A
B
x ABCD APD BPC D C P
A
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6 cm
B
1. 2. 3. 4. 5. 6.
2h(l b)
2(2lbh(l hbhbl ) lh b)
2(lb lblbh bh bhlh) lh
lbhlbh
4a 2
6a42a 2 a 2
6a 2 a 2a 3
a 3 a3
2 rh
22 r (rh r rh h)
2 r (rrrrh)h h
r hr 2 h
ri
r rir ril
r (rr rl ) rl h
4 r 2
44 r 2r 2 r 2
4 r 2 r 2 r 3
2 r 2
32r2r 2 r 2
3 r 2 r 2 r 3
1 3 4 r 3 r 3 3 2 r 3 r 3 3
r hr 2 h
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C
cos tan cot cos ec s ec sin
A
i ) sin 2 cos 2 1 ii ) sec2 tan 2 1 iii ) cos ec 2 cot 2 1
i ) sin(90 ) cos
iv ) sec(90 ) cos ec
ii ) cos(90 ) sin iii ) tan(90 ) cot
v ) cos ec (90 ) sec vi ) cot(90 ) tan
i) sin(180 ) sin ii) cos(180 ) cos
iii ) tan(180 ) tan
iv ) sec(180 ) sec v) cos ec(180 ) cosec vi ) cot(180 ) cot
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B
0
0
0
sin 30 sin 90 2 cos 0 0 tan 30.tan 60 0 1 cos 2 300 1 sin 2 30 0
0
sin 60 0 cos 2 450 3 tan 30 5cos 900
2
0
0 0 1 0 0 0 1 sin 2 30.cos 2 45 4 tan 2 30 sin 2 90 cos 90 2 24
tan
5 sec cos ec 12
sin A
5 tan A sec A 13
cos ec
sin 2 75 cos 2 15
cos ec cot
1 sec tan 1 sec tan
sin 2 tan 2 cos 2 1 cos 2 1 tan 2
2sin 3cos 13 4 sin 9 cos 12
0
0
2 cos 45.cos 60 2 3 sin 30 tan 60
cos 2 48 sin 2 42 sin18 cos 72
1 cos 3
1 sin 2 1000 sec1000
sin
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C
C
A B
A B sin, cos, tan d x0 5 3 A600 1500 3 3 1.732 300,600
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(Experimental probability) 445
1000 0.455 (Probability - Theoretical approac) P (E) = E
P ( E ) P ( E P( E ) P( E ) 1
) 1
0
P(7 ) 6 0 P ( E ) P (6
6 1 6
0 P 1 S {1, 2, 3, 4, 5, 6} n( s) 6 E {2,3, 5} E n( E ) 3 E 3 1 P ( E ) 6 2 22 www.tlm4all.com
E E 10 2 P ( E ) 15 3 T T n(s) 4 T H E HH H T H H
n( E ) 1
P(E) P(E)=
E 2 1 4 2
1 4
0 P 1 5
2 2.5
P(E)0.06E P( E ) P( E ) 1 P ( E ) 0.06 0.06 P( E ) 1 P ( E ) 1 0.06 0.094
E
E P(E) E
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E P(E) E P(E) (1, 5)(2, 4)(3,3)(4, 2)(5,1) P( E )
5 36
(4, 6)(5, 5)(6, 4) P( E )
3 1 36 12
(1,1)(2, 2)(3, 3)(4, 4)(5,5)(6, 6) (4,6),(5,5),(5,6),(6,4),(6,5),(6,6) P ( E )
6 1 36 6
r 2
d
2m
1
(d) r 2 2
3m
22 1 1 11 r 7 2 2 4 2
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11 14 11 1 11 6 14 6 84 1
x x
24 2
3 x 2 24 3
x 3 2 24 x
2 24 3
x 16
8
1
24 3 { } P( E )
6 3 52 26
{ }
P( E )
2 1 56 28
25 www.tlm4all.com
{ }
P( E )
2 1 56 28
P( E )
1 52
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x fixi
fi fidi x a fi fidi h fi
x a
n cf 2 m l fi h
f 1 f 0
l 2 f 1 f 0 f 2 h x y x y 27 www.tlm4all.com
x+3, x,x-3
0-10
10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
05
10
11
20
27
38
40
29
14
06
10-15
15-20
20-25
25-30
30-35
35-40
10
15
17
12
10
08
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