Math, asked by 1Indu11, 11 months ago

Find sum of nterms 1×2+2×3+3×4+4×5...

Answers

Answered by king4127
1

Answer:

1×2+2×3+3×4+4×5...

Step-by-step explanation:

answer is 2+6+12+20=40

Answered by riyangshsarkar
1

Answer:

340 is the correct answer

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