If a = \frac{5}{11} and b = \frac{3}{7}, then (a + b) -1 × (a -1 + b -1 ) is equal to

CTET 2 Math and Science 1 Jan 2022 Paper

Question : 33 of 150

Marks: +1, -0

If a =

\;{5}/{11}

and b =

\;{3}/{7}

, then (a + b)^-1 × (a^-1 + b^-1) is equal to

Go to Question:

Prev Question

Next Question