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13. Variation
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Q16 of 37 Page 195

If x ∝ y then

Given:

x ∝ y


it can written as,


x = ky


square on both sides,


x2 = k2 y2


as k2 is also a constant.


x2 = k y2


or


x2∝ y2


option (D) is correct.

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Questions · 37
13. Variation
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