If one of the zeroes of the quadratic polynomial(k-1)x2+Kx+1 is 3,then find the value of k
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Step-by-step explanation:
given quadratic equation is (k-1)x2+kx+1
also give that 3 is the zero of the quadratic polynomial.
p(x)=(k-1)x2+kx+1=0
p(3)=(k-1)x2+3k+1=0
=2k-2+3k+1=0
=2k-1+3k=0
=2k+k3=1
=5k=1
=k=1/5
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