2Find the value of k for which the cubic polynomial
3y3 - 3/2 y2 + ky + 5 is exactly divisible by (y – 5)
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Polynomial = 3y3 - 3/2 y2 + ky + 5
= 9y - 3y + ky + 5
Now as the zero of the polynomial is 5
= 45 - 15 + ky + 5
= 35 + 5k
→35 + 5k = 0
→5k = 35
→k = 35/5
→k = 7.
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