find the least number that must be subtracted from 1989 so as to get a perfect square.also find the square root of the perfect square
Answers
Answered by
2
Step-by-step explanation:
We have,
1989 be make perfect square.
We know that,
44 to the power
2
=1936<1989
45 to the power
2
=2025>1989
Let x be added or subtracted in 1989. Then,
x + 44 to the power 2 = 1989
=> x + 1936 = 1989
=> x = 1989 - 1936
=> x = 53
53 is subtracted from 1989 making perfect square.
Similar questions