Sum of squares of two numbers is 145. If the square root of one number is 3, find the square of the other number.

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answer is C.

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Detailed Solution

Concept- First, we will assume two numbers,

and

. Using the given information, we will form the equations, then substitute the values to get the values of

and

, and finally find the square of one of the numbers.
Consider the first number as

and the second number as

.
Given that,

Squaring equation (2), we get

When putting the value in (1), we get

Therefore, 64 is the square of the other number.
Hence, the correct answer is option 3) 64.
of a Linear Equation
of a Linear Equation

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