Question

factorise =x ki power 4 -y ki power 4

Answer 1

hay!!

Dear friend -

factories = x^4-y^4

hear we let it

(x^2)^2-(y^2)^2

we know that formula for a^2-b^2

let put it in the given formula

(x^2-y^2) (x^2+y^2)

I hope it's help you

Answer 2

x4 - y4
(x2)2 - (y2)2
(x2 + y2) - (x2 - y2)
(x2 + y2) - {(x + y) (x - y)}
i think this is the answer ......
i m not dure about it.....