Question

plss solve this question urgently please friend

I mark you brilliant

pls solve in notebook please​

Answer 1

how, what note book? I don't understand, I'll need more info

Answer 2

Answer:

By formula,

$(x + y)(x - y) = x {}^{2} - y {}^{2}$

Thus,

$(x {}^{2} - {y}^{2} ) ( {x}^{2} + {y}^{2} ) \\ \\ = {x}^{4} - y {}^{4}$

Answer is x⁴- y⁴