Find the products: ((1/x) + (1/y)) ((1/x)-(1/y))

1.	Find the products: ((1/x) + (1/y)) ((1/x)-(1/y))
Answer» Given ((1/x) + (1/y)) ((1/x)-(1/y)) By using the formula (a + b) (a – b) = a²– b² Applying the formula we get ((1/x) + (1/y)) ((1/x)-(1/y))= (1/x)²-(1/y)² ((1/x) + (1/y)) ((1/x)-(1/y))= (1/x²)-(1/y²)

Answer»

Given ((1/x) + (1/y)) ((1/x)-(1/y))

By using the formula (a + b) (a – b) = a²– b²

Applying the formula we get

((1/x) + (1/y)) ((1/x)-(1/y))= (1/x)²-(1/y)²

((1/x) + (1/y)) ((1/x)-(1/y))= (1/x²)-(1/y²)

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