20r + (Îą + Î˛)),284)Find the non-zero value of k, for which the q – InterviewSolution

1.	20r + (Îą + Î˛)),284)Find the non-zero value of k, for which the quadratic equeaequal roots. Hence, find the roots of the equation.tion ka1-2 (k - 1)arehasof5. If 9th term of an AP is zero, provethat its 29th term is double the 19th ternm.
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