1.

If x is inversely proportional to y then which of the following is true? A) xy = k B) x/y = k C) 1/x = 1/yD) xy = x + y

Answer»

Correct option is (A) xy = k

\(x\propto\frac1y\)

\(\Rightarrow\) \(x=\frac ky\)

\(\Rightarrow\) xy = k

Correct option is  A) xy = k



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