6. One number is 7 more than another and its square is 77 more than th – InterviewSolution

1.	6. One number is 7 more than another and its square is 77 more than the square of the smaller numberWhat are the numbers?
Answer» two numbers are a-7 and aso a^2=(a-7)^2+77a^2=a^2-14a+49+7714a=126so a=126/14=9

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