Question

How many non perfect square numbers are there in between square of 4 and 5.Required to answer. Single choice.

(1 Point)

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Answer 1

Answer:

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Answer 2

Answer:

2n

Step-by-step explanation:

Both n^2 and (n+1)^2 are per fect square numbers and they are consecutive perfect squares.

⇒ All the numbers between them are non-perfect square.

Numbers between n ^2 and (n+1)^2  are

=(n+1)^2   −n  ^2 −1

=n  ^2  +2n+1−n  ^2  −1

=2n

⇒ There are 2n non-perfect square numbers.

hence number of non perfect square numbers between 4^2 and 5^2=8