Question

95 x 103 = (100 - 5) (100
Exercise 9.5
1. Use a suitable identity to g
- (i) (x+3)(x + 3)
(iv) (3a-?) (3a-)​

Answer 1

Answer:

(x-3)(x-3)

=(x-3)^2

=x^2-6x+9[Ans]

(y+2)(y+4)

y^2+4y+2y+4*2

=y^2+6y+8[Ans