Q4 of 90 Page 33

Expanding the following using suitable identities.

Using identity:

(x + y + z)² = x² + y² + z² + 2xy + 2yz + 2zx

(m + 2n – 5p)²

Expanding the following using suitable identities.

(3a – 7b – c)²

Factorize :

9x² + 4y² + 16z² – 12 xy – 16yz + 24 xz

Factorize :

Questions · 90

3. Polynomials

1 2 3 4 5 6 7 1 1 1 1 2 2 2 2 3 3 3 3 3 3 3 3 4 1 1 1 1 1 2 3 4 1 1 1 1 2 2 2 2 3 4 5 6 6 6 6 7 7 7 7 7 7 1 1 1 1 1 1 2 2 2 3 3 3 4 4 4 4 4 4 5 5 6 6 6 6 7 7 7 8 8 8 8 9 10 10 11 12 12