Page 216 - Grade 10 C.Math

cEof; 9.4

1. -s_ 14 -v_ 20 -u_ 33 -3_ 44

2. -s_ 144 -v_ 16 -u_ 5 -3_ 1

4
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3. -s_ -v_ 25 -u_ 1 -3_ 3
3
cEof; 10.1

1. -s_ -v_ 1

1 3 1
2. -s_ -v_ 5 3 9 -u_ -3_
a b c 7 3

3. -s_ 1 -v_ 1 -u_ 1 -3_

cEof; 10.2

1. -s_ 0,1 -v_ 0,1 -u_ 1, 2 -3_ 0, 1 -ª_ 3, 4 2.-s_ 2,-2 -v_ 2, -2

-u_ , -3_ 2, -1 3) x = 2

cEof; 11

4ax x + 2y
1. -s_ -v_ -u_ 2 2 -3_ 2 2

( )( ) a - x 4x - 9y
4x - 4 2x 3
-ª_ 2 -r_ 2 2
(x - 2) (x + 2) (x - y )

4ab 2x 3
2. -s_ -v_ 2b -u_ 2 2 -3_ 4
4a - b 1 - x

( ) 1 - 6y 2
3. -s_ -v_ 2 -u_ -3_ 0

( ) 1 - 4y
2
8 x - 10
4. -s_ 2 -v_ -u_
(x - 1)(x - 2) (x - 1)(x - 2)(x + 3)
ul0ft, sIff – 10 213