Question

if one of the zeros of the quadratic polynomial (K - 1) X square + k x + 1 is minus 3 then value of k is ​

Answer 1

Answer:

roots are -k+-(k-2) /2(k-1)

by taking + sign

-k+k-2/2k-2 =-3

1/3=k-1

k=-2/3

by taking - sign

-2k+2/2k-1 =-3

not possible ok

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