Question

plls anybody answer​

Answer 1

Answer:

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Answer 2

Answer:

(a) 9p^2 - 1/4

(b) 49x^2 - 16y^2

Step-by-step explanation:

(a) by using identity (a+b) (a-b) = a^2 - b^2

=(3p)^2 - (1/2)^2

=9p^2 - 1/4

(b) by using identity (a+b) (a-b) = a^2 - b^2

=(7x)^2 - (4y)^2

=49x^2 - 16y^2