" (ii) a perfect square number "

Roots are rational only when D is a perfect square number like 0,1,4,9,16,….. Etc.

Identify the null sets among the following E = {x: x is a perfect square number , 40 lt x lt 50 }

x^(4)+4x^(3)+ax^(2)+bx+25 is a perfect square number, where a and b are positive real numbers then find the value of a + b.

Cards numbered 1 to 30 are put in a bag. A card is drawn at random from the bag. Find the probability that the number on the drawn card is (i) not divisible by 3, (ii) a prime number greater that 7, (iii) not a perfect square number.

The number 442 is a perfect square number.

By what least number 25 xx 20 xx 9 xx 12 xx 30 should be multiplied to make it a perfect square number?

Which is not perfect square number in the following numbers?

What is sqrt(n) if n is not a perfect square number?

The probability of getting a perfect square number from the numbers 1 to 10 is:

Find the smallest number by which 27783 be multiplied to get a perfect square number .