Determine the A.P. whose 3Td term is 5 and the 7h term is 9. – InterviewSolution

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1.

Determine the A.P. whose 3Td term is 5 and the 7h term is 9.

Answer»

First term be a Common difference be dnth term=a+(n-1)d

3rd term=a+2d=57th term=a+8d=9

Subtract 6d=9-5=4d=2/3a=5-2(2/3)=5-4/3=11/3

AP is 11/3, 13/3,15/3...

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