Two number are in the ratio of 9:7 if the difference of their square is 288 then the smaller of number is
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Step-by-step explanation:
two number are 9X ratio 7 x
9 xwhole square - 7 x whole square equal to 288
(9x+7X)(9x-7x)=288
16x×2x=288
32 x square =288
xsquare=288/32
x=3
smaller number is 21
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