Home
Class 11
MATHS
Find the sum 5 xx 7 + 9 xx 11 + 11 xx 3 ...

Find the sum `5 xx 7 + 9 xx 11 + 11 xx 3 + ...` upto n terms.

Text Solution

Verified by Experts

The correct Answer is:
`(16 n ( n +1) ( 2n +1))/( 6) + (16 n ( n +1))/( 2) + 3n`
Promotional Banner

Similar Questions

Explore conceptually related problems

Find the sum 5 xx 7 +7xx9+ 9 xx 11 +11xx13+ 13 xx 15 + ……. upto n terms.

Find 1 xx 5 + 3 xx 7 + 5 xx 9 + 7 xx 11 .... upto n terms.

Find 2 xx 6 + 4 xx 9 + 6 xx 12 + …… upto n terms.

Find 2 xx 5 xx 8 + 4 xx 7 xx 10 + 6 xx 9 xx 12 ……. Upto n terms.

Find the sum 1 xx 3 xx 5 + 3 xx 5 xx 7 + 5 xx 7 xx 9 + ……. + (2n - 1) ( 2n + 1) ( 2n + 3)