Question

For each of the following,find the least number that must be addded so that the resulting number is a perfect squar.
1. 7172​

Answer 1

Answer:

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Step-by-step explanation:

(ii) 7172

Taking square root of 7172, we find that 116 has been left

We see that 7172 is greater than (84)2

∴ On adding the required number to 7172, we get (85)2 i.e., 7225

Required number = 7225 – 7172 = 53

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Answer 2

Answer:

53 is the number that must be added to the given number to make perfect square...

7172+53 = 7225

$\sqrt{7225} = 85$