5.Find the value of k , if x – 1 is a factor of kx2 -
3x + k.
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Step-by-step explanation:
ANSWER ::
The zero of the polynomial x - 1 is given by
x - 1 = 0
= 0So
x = 1
Let f(x) = kx² - 3x + k
Now by the Remainder Theorem the required Remainder is
Now by the Remainder Theorem the required Remainder is f(1) = k×1² - 3×1 + k = k - 3 + k = 2k - 3
So
2k - 3 = 0
2k = 3
k = 3/2
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