Math, asked by snehamanikandan75, 1 month ago

find the sum to n-terms of the series 1×2+2×3+3×4+...

Answers

Answered by sujatg6

3

Answer:

1st term 1x2

2nd term 2x3

3rd term. 3x4

nth term. Nx(n+1)

step 1: find nth term

after this you can see the photo attached

Step-by-step explanation:

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