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QWhat is the product of two numbers whose square of the difference is 9 and whose sum of squares is 225?

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#4451Q ID
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  • A 108 ✔ ✖
  • B 169 ✔ ✖
  • C 100 ✔ ✖
  • D 144 ✔ ✖
Correct Answer

Explanation

Let numbers be A and B

.: (A-B)^2=9

..A^2-2AB+ B^2 = 9

As, A^2+B^2=225

225-2AB = 9

AB = 108 product of the two numbers

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