. If one of the zeroes of the quadratic polynomial (k – 1)x2(square) + kx + 1 is –3, then the value of k is
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Answered by
92
given one of the zeros of quadratic polynomial (k-1)x2+kx+1 is -3
so when we substitute -3 in the polynomial ,we get 0
→(k-1)(-3)²+k(-3)+1=0
→9k-9-3k+1=0
→6k-8=0
→k=8/6=4/3
Answered by
5
hi mate
given one of the zeros of quadratic polynomial (k-1)x2+kx+1 is -3
so when we substitute -3 in the polynomial ,we get 0
→(k-1)(-3)²+k(-3)+1=0
→9k-9-3k+1=0
→6k-8=0
→k=8/6=4/3
I hope this will help u ;)
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