Question

Factorise using suitable identity 9a sq.-4b sq.-6a +1

Answer 1

Hey dear!


Here is yr answer........


=> 9a² -4b² -6a + 1 ❌❌

=> 9a² -4b² -6 + 1 ✔✔

=> (3a)² - (2b)² -6 + 1

=> (3a+2b)(3a-2b) -5


Hope it hlpz....