Question

9. Factorize :- 49 x² - 1/64y²
(2)​

Answer 1

Step-by-step explanation:

-49x^2-1/64y^2

= -(49x^2+1/64y^2)

= -{(7x)^2+(1/8y)^2}

= -{(7x+1/8y)^2-2×7x×1/8y}