In the 8

In the A. P. 36, 39, 42, …, which term is 276?

Correct answer:

n =  81

Step-by-step explanation:

a1=36 a2=39  d=a2a1=3936=3  x=276  x=a1+(n1) d  n=(xa1)/d+1=(27636)/3+1=81

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