Math, asked by hjhhhhh7363, 10 months ago

In a certain AP 32 term is twice the 12 term prove that 70 term is twice the 31st term

Answers

Answered by ashurao178
0

Step-by-step explanation:

a32=2a12

a+31d=2(a+11d)

a+31d=2a +22d

a+9d=0.

To prove a70=2a31

a+69d=2(a+30d)

a+69d=2a+60d

a+9d=0.

hence proved.

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