Question

if x+25/x=10 then value of x^2+50/x^2 will be

Answer 1

x+25/x =10

x²+25 =10x

x²-10x+25=0

x²-5x-5x+25

x(x-5)-5(x-5)=0

x=5

25+50/25 = 27

Answer 2

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