4,Findthevalueofkforwhichtheequationkr+2x+ 1 =0hasreal and distinct ro – InterviewSolution

1.	4,Findthevalueofkforwhichtheequationkr+2x+ 1 =0hasreal and distinct roots.5. The first three terms of an A.P. respectively are 3y -1,3y + 5 and 5y + 1. Find the value of y.
Answer» These are consecutive terms of AP.So,2(3y+5)=3y-1+5y+16y+10=8y2y=10y=5

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