If alpha bita and gamma are zero of the polynomial 6x³+ 3x²-5x+1 then find the value of alpha-¹, bita-¹ + gamma-¹.
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First of all...1/alpha+1/beta+1/gamma
=alpha beta+beta gamma+gamma alpha/alpha beta gamma
=alpha beta +beta gamma+gamma alpha=c/a=-5/6
and alpha beta gamma= -d/a= -1/6
So required value= -5/6*6/ -1
=5
Hope it helps...
=alpha beta+beta gamma+gamma alpha/alpha beta gamma
=alpha beta +beta gamma+gamma alpha=c/a=-5/6
and alpha beta gamma= -d/a= -1/6
So required value= -5/6*6/ -1
=5
Hope it helps...
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