Math, asked by srimurlidarling, 11 months ago

find the sum of n terms of each of the series 1x 2 + 2x3 + 3x4 + 4 x 5 +.... please ans me

Answers

Answered by rohit3983

2

Answer:

use the formula of arithematic progression

i.e.

an=a+(n-1)×d

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