Question

If the nth term of an A.P. is 2-$\frac{3}{4}n$ then find common difference.

Answer 1

The common difference of an A.P. is given by a  a  n+1  −a  n

​=3+2(n+1)−(3+2n)

=2n+2−2n

=2

Hence, the common difference d=2

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