Question

find the value of given question​

Answer 1

Answer:

Is ka answer hai 8 square

Answer 2

it's 1540

Step-by-step explanation:

we know that sum of squares of first 'n' even numbers is 2n(n+1)(2n+1)/3

by using this formula we get,

2×10(10+1)(20+1)/3

=20(11)(21)/3

=4620/3=1540

Hope it helps!