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If one of the zeros of quadratic polynomial(k-1)x² + kx +1 is – 3,then find the value of k.13433 |
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Answer» k= 3 4 Explanation: Given −3 is the ZERO of the polynomial (k−1)x 2 +kx+1 So −3 must SATISFY the equation (k−1)x 2 +kx+1=0 ⟹ (k−1)(−3) 2 +k(−3)+1=0 ⟹ 9(k−1)−3k+1=0 ⟹ 9k−9−3k+1=0 ⟹ 6k=8 ⟹ k= 3 4
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