Home
Class 11
MATHS
Find sum(r=1)^n (1 + 2 + 3 + ….. + r) / ...

Find `sum_(r=1)^n (1 + 2 + 3 + ….. + r) / r`

Text Solution

Verified by Experts

The correct Answer is:
`( n ( n +3))/(4)`
Promotional Banner

Similar Questions

Explore conceptually related problems

Find sum_(r=1)^n (2r - 8)

Find sum_(r=1)^n (2/3)^r

Find sum_(r=1)^20 (2r - 1)

Find sum_(r=1)^10 (3x 2^r )

Find sum_(r=1)^n (1^3 + 2^3 + 3^3 + ………. + r^3) / (r +1)^2

Evaluate: sum_(r=1)^n (1^3 + 2^3 + 3^3 + …. + r^3) / (r+1)^2

Find sum_(r=1)^n (1^2 + 2^2 + 3^2 + ………. + r^2) / (2r +1)

Find sum_(r=1)^n ( 6r^2 + 4r - 3)

Find sum_(r=1)^n (5r^2 + 4r - 3)

Find sum_(r=1)^n (1^3 + 2^3 + 3^3 + …… + r^3) / (r(r + 1))