( 5 ) The sum of squares of two parts of 31 is 481. We need to find those two parts. solve in quadratic equations
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Step-by-step explanation:
Let the 1st part is 'x' Then the other part is '31-x'
A. T. Q.
x^2+(31-x)^2=481
x^2+31^2+x^2-2*31x=481
2x^2-62x+961-481=0
2x^2-62x+480=0
On factorising we get,
Number are 15,16
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