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The sum of two possitive numbers …

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The sum of two possitive numbers x and y (x>y)is50 and the difference of there squares is 720. find the number

    • Posted by Vaibhav Kumar Deo ×͜× 3 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    [Vishal Kumar Paswan] [11] 3 years, 11 months ago

    If your information is correct , then : x + y = 50 and (x**2) - (y**2) = (x + y)(x - y) = 720 ; So , 50(x - y) = 720 ; (x - y) = 14.4 Then , since (x + y) = 50 and (x - y) = 14.4 , 2x = 64.4 and 2y = 35.6 Therefore , x = 32.2 and y = 17.8 Ans.

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