Is 90 a perfect square? If not, find the smallest multiple of 90 which

1.	Is 90 a perfect square? If not, find the smallest multiple of 90 which is a perfect square , Find the square root of the new number.
Answer» Answer: prime FACTORIZATION of 90 2\|90 3\|45 3\|15 5\|5 1\|1 90=2×3×3×5 the prime factor of 2 and 5 do not OCCUR in pair. 2×5=10 so,we need to divide 90 by 10 90/10=9 therefore 9 is the PERFECT square

Is 90 a perfect square? If not, find the smallest multiple of 90 which is a perfect square , Find the square root of the new number.

Answer»

Answer:

prime FACTORIZATION of 90

2|90

3|45

3|15

5|5

1|1

90=2×3×3×5

the prime factor of 2 and 5 do not OCCUR in pair.

2×5=10

so,we need to divide 90 by 10

90/10=9

therefore 9 is the PERFECT square