Question

Find the least number that has to be added to 54,725 to make it a perfect square. Also find the square root of the perfect squares so obtained.​

Answer 1

Answer:

Q.Find the least number to be added to get

a perfect square 123456

Sol

n

First we find

123456

by division method

9<12<16

3

2

<12<4

2

62×2=124

63×3=189

65×5=325

66×6=396

702×2=1404

hence (51)62<123456<(352)

2

we calculate (352)

2

−123456

=123904−123456

=448

hence least number to be added to get a

perfect square is 448.

since 123456+448=123904=(352)

2

Step-by-step explanation:

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