Math, asked by keerthi172, 1 year ago

solve the following above question

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Answered by sudipmohajon
3
if t^2 -1 is a factor of at^3+t^2-2t+b then
t=+-1
putting the value of t
a×1^3+1^2-2×1+b=0
a+1-2+b=0
a+b=1

keerthi172: thanks
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