8. Find 21st term of the A.P. whose first twotermsare3and4ct the syste – InterviewSolution

1.	8. Find 21st term of the A.P. whose first twotermsare3and4ct the system of equations-2ys 3, 3r + kv1 has a unique solution?
Answer» First terms are a,a+dhencea=-3and a+d=4d=7hence ap with first term 3 and common difference is 7

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