Advertisements
Advertisements
Question
Which of the following number square of even number?
1296
Advertisements
Solution
The numbers whose last digit is odd can never be the square of even number.
use prime factorisation method and make pairs of equal factors.
1296 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3
= (2 x 2) x (2 x 2) x (3 x 3) x (3 x 3)
There are no factors that are not paired. Hence, 1296 is a perfect square. The square of an even number is always even. Hence, 1296 is the square of an even number.
APPEARS IN
RELATED QUESTIONS
What will be the units digit of the square of the following number?
99880
What will be the units digit of the square of the following number?
55555
Which of the following number square of even number?
373758
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
96
Find the squares of the following numbers using diagonal method:
273
Find the square of the following number:
265
If one member of a pythagorean triplet is 2m, then the other two members are ______.
The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is ______.
If x and y are integers such that x2 > y2, then x3 > y3.
Can a right triangle with sides 6 cm, 10 cm and 8 cm be formed? Give reason.
