Question

For what value of k, is the polynomial f(x) = 3.r* - 9x + x + 15x + completely divisible
by 3x2-5​

Answer 1

Answer:

By long division as shown

AS Remainder should be zero ⇒ k=−10

Other two zeroes would be obtained by Qiotient

x

2

−3x+2=0

x

2

−2x−x+2=0

x(x−2)−1(x−2)=0

(x−1)(x−2)=0

x=1,2

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