Q. 4 K4.2( 9 Votes )

Which of th

Answer :

For a series to be in AP, the common difference (d) should be

Equal.


D1 = second term – first term = a2 - a = a2 - a


D2 = Third term - Second term = a3 - a2 = a3 - a2


Since common difference is not equal the above series is not in AP


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