Question

using the prime factorisation method find which of the followings number are perfect square with example (1) 4225
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Answer 1

Answer:

(65)^2=4225

Step-by-step explanation:

(65)^2=4225

Answer 2

ANSWER:

Given 4225,

A perfect square can always be expressed as a product of pairs of equal factors.

Now resolve 4225 into prime factors, we get

4225=5×5×13×13=5×13×5×13

=65×65=(65)

2

Hence, 65 is the number whose square is 4225

∴4225 is a perfect square.

Hope it helps!!