Question

II. Fill in the blanks. (4 × 1 = 4)

6. 4y² + 4y + 1 = ( ___ + 1)²

7. The HCF of 7pq and 2p2

is __________.

8. Expansion of a2

–b

2

is_________.

9. If x² − a² = (x + 3)(x − 3), then a = ___​

Answer 1

Answer:

6)2y

7)p

8)(a+b)(a-b)

9)3