Question

FIND the


term Of an ap in Following 1, 4,7,10.......88
​

Answer 1

Answer:

here a=>1.

d=>4-1=>3.

an=>88.

n=>?

an=a+(n-1)d .

88=1+( n-1)3.

88=1+3n-3.

88= -2+3n.

88+2=3n.

90=3n.

n=>30.

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