The average of a non-zero no. and its square is 5 times the no. find the no.
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Let the number be x
(x+x²)/2 = 5x
⇒(x+x²) = 10x
⇒x(x-9) = 0
As the number is non-zero,so
⇒x= 9
∴Number is 9
(x+x²)/2 = 5x
⇒(x+x²) = 10x
⇒x(x-9) = 0
As the number is non-zero,so
⇒x= 9
∴Number is 9
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