Advertisements
Advertisements
Question
Find the square of the given number.
86
Advertisements
Solution
862 = (80 + 6)2
= 802 + 80 × 6 + 6 × 80 + 62
= 80 (80 + 6) + 6 (80 + 6)
= 6400 + 480 + 480 + 36
= 7396
APPEARS IN
RELATED QUESTIONS
What will be the units digit of the square of the following number?
55555
Observe the following pattern
22 − 12 = 2 + 1
32 − 22 = 3 + 2
42 − 32 = 4 + 3
52 − 42 = 5 + 4
and find the value of
1002 − 992
Observe the following pattern
22 − 12 = 2 + 1
32 − 22 = 3 + 2
42 − 32 = 4 + 3
52 − 42 = 5 + 4
and find the value of
992 − 962
Find the square of the following number:
405
Find the square of the following number:
205
If one member of a pythagorean triplet is 2m, then the other two members are ______.
The hypotenuse of a right triangle with its legs of lengths 3x × 4x is ______.
The sum of two perfect squares is a perfect square.
For every natural number m, (2m – 1, 2m2 – 2m, 2m2 – 2m + 1) is a pythagorean triplet.
All numbers of a pythagorean triplet are odd.
