Question

justify given sequence is an A.P or not. -12, -5, 2,9.....​

Answer 1

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• Justify whether the given sequence is an A.P. or not.

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The given sequence is an A.P. only if the common difference is same.

Given sequence,

-12 -5 2 9....

d1= -5 -(-12)=7

d2=2-(-5)=7

d3=9-2=7

Therefore, the common difference is same always.

So, the given sequence is an A.P.

Answer 2

Answer:

hey watch the above pic for your answer hope it helps .