Question

find the least number which must be subtracted from 1870 to make it a perfect square.​

Answer 1

Answer:

We have,

1989 be make perfect square.

We know that,

44

2

=1936<1989

45

2

=2025>1989

Let x be added or subtracted in 1989

Then,

x+44

2

=1989

⇒x+1936=1989

⇒x=1989−1936

⇒x=53

53 is subtracted from 1989 making perfect square.

Hence, this is the answer.

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