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Question

If one of the zeros of the quadratic polynomial k-1x2+kx+1 is -3, then find the value of k.


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Solution

Find the value of k.

Since, the roots of a quadratic polynomial satisfy the polynomial.

k-1-32+k-3+1=0k-19-3k+1=09k-9-3k+1=06k=8k=43

Hence, the value of k is 43.


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