Math, asked by kab2859, 11 months ago

Q.84 plz solve it for 4marks​

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Answers

Answered by queensbknight
0

Answer:

multiply and devide 1st by d.

substitute d as a2-a1in 1

a3-a2 in 2 and so on.

apply asq-bsquare and cancel u will get it.

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