AP EAPCET 15th May 2023 Shift 2 Solved Paper

Section: Mathematics

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Question : 12 of 160

Marks: +1, -0

If -1 is a twice repeated root of the equation ax3+bx2+cx+1=0, then

b=2a+1,‌‌c=a+1
b=2a+1,‌‌c=a−2
b=2a+1,c=a+2
b=2a−1,‌‌c=a+2

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