Q. 64.8( 12 Votes )

A natural number, when increased by 12, equals 160 times its reciprocal. Find the number.

Answer :


To find: The number.

Formula Used:

The quadratic formula for finding the roots of quadratic equation
ax2 + bx + c = 0, a ≠ 0 is given by,


The number is x.

According to question,

x2 + 12x – 160 = 0

Using the quadratic formula,

A natural number cannot be negative

The natural number is 8.

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