Question

5 per x + y ditambah 2 per x - y adalah

Answer 1

5/(x + y) + 2/(x - y)
= [5(x - y) + 2(x + y)]/(x² - y²)
= (7x - 3y)/(x² - y²)

Answer 2

5 / x + y + 2 / x- y = 5(x-y) + 2(x+y) per (x+y)(x-y) = 5x - 5y + 2x + 2y per (x²-y²)