Question

state whether the given sequence is in AP or not
b 3, 6,9 - - -​

Answer 1

The given sequence is an A.P.

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Answer 2

Answer:

The sequence is in AP.

Step-by-step explanation:

If a sequence a,b,c is in AP, then a+c = 2b

Therefore, to prove: a+c=2b

LHS = a+c = 3 + 9 = 12

RHS = 2b = 2 * 6 = 12

LHS = RHS, hence proved.

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