Question

plss solve this question urgently please friend

I mark you brilliant

pls solve in notebook please​

Answer 1

Answer:

1. (5q^2-7q) (5q^2-7q)

= (5q^2)^2 - (7q)^2

= 25q^4 - 49q^2. Ans.

2. (a^2+b^2) (a^2-b^2)

= (a^2)^2 - (b^2)^2

= a^4 - b^4 Ans.