Question

Tolong kak dijawab aljabar.Buat besuk

Answer 1

3. 3/(x+y)+ 7/(x-y)
=(3(x-y)+7(x+y)/(x+y)(x-y)
=(3x-3y+7x+7y)/(x²-y²)
=(10x+4y)/(x²-y²)