1.

Simplify: (x^2)^(n-1) + (y^2)^(n-1) (x^2)^(n-1) - (y^2)^(n-1)

Answer»

`(x^2)^N - (y^2)^n`
`x^2n - y^2n`
`(x^n - y^n)+(x^ny^n)`
`(x^2 - y^2)^(n-1)`

ANSWER :A


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