Question

d).
(va + vb) (va - Vb) is​​

Answer 1

Answer:

d) is xy6z

I think it is the final answer

Answer 2

Answer:

(va)²-(vb)²

HERE WE USE THE PROCESS

(a+b) × (a-b) = a²- b²

so the answer of this question will be

(va)²-(vb)²

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