Question

Q.1. Factorize using identities


1+18a+81a2​

Answer 1

Answer:

You can solve this way.

Answer 2

Step-by-step explanation:

1+18a+81a2

using a² + 2ab +b² = (a + b)²

= (1)² + 2(1)(9) + (9)²

= (1+9)²