If x is inversely proportional to y then which of the following is true?
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/y
D) xy = x + y
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2 Answers
Correct option is (A) xy = k
\(x\propto\frac1y\)
\(\Rightarrow\) \(x=\frac ky\)
\(\Rightarrow\) xy = k
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