Question

Review of the Chapter
1. A natural number m is a perfect square if there exists another natural n
that n = m.
2. All perfect squares end in 00, 1,4,5,6 or 9.
3. If a number ends in 2,3,7,8 or odd number of zeroes, it is not a perfect sa
4. Squares of even numbers are even and squares of odd numbers are odd.
5. Squares of negative integers are always positive.
6. Difference of the squares of two consecutive numbers is equal to their sun
Example, 952 - 942 = 95 + 94.
7. The sum of the first n odd natural numbers is given by np.
8. Square root is the inverse operation of square. So, V5 = 5.
9. There are two integral square roots of a square number. e.g. 25 = 5 ar
10. The long division method can be used to find the square root of any num
this question is easy ​

Answer 1

ok...but what is Ur question???

Answer 2

That's nice, but what do you wanna ask?