Question

Which of the following is obtained by subtracting x^2-y^2from y^2- x^2?

I. -2(x^2-y^2)

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

III. 2(x^2+ y^2)

IV. 2(x^2- y^2)​

Answer 1

Answer:

lV. 2(x²-y²) is your answer of this question