Question

find the value of k, if X -2 is the factor of 2x² + Kx + 15​

Answer 1

Answer:

X-2=0

X=2

2x2+Kx+15

=2*2*2+k*2+15

=8+2k+15

23+2k

Now, 2k+23=0

2k=-23

k=-23/2 (or) -11.5

Hence k=-23/2 (or) -11.5

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