Question

OF KNOW
23. Find the least number which must be subtracted from 2136 to make it a perfect square. Also find the
root of the perfect square so obtained.​

Answer 1

Answer:

53

Step-by-step explanation:

We have,

1989 be make perfect square.

We know that,

44²=1936<1989

45²=2025>1989

Let x be added or subtracted in 1989

Then,

x+44²=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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