Write cubic polynomial whose zeroes are 3, - 5,2.
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the cubic ploynomial whose zero are x
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Step-by-step explanation:
The cubic equation
x³–(α + β + ɣ)x²+(αβ+βɣ+ɣα)x–(αβɣ)
where
α=3
β= -5
ɣ=2
α + β + ɣ=3-5+2=0
αβ+ βɣ + ɣα=3×(-5)+(-5)×2+3×3= -16
αβɣ=3×{-5}×2= -30
so
x³-16x+30
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