Question

4. If x + 1 is a factor of the polynomial 2x²+ kx, then what will be the value of k?​

Answer 1

Answer:

so x + 1 is a factor of the polynomial 2 x square + kx( given) ...

Therefore x =-1

putting the value of x is equal to -1 in the equation 2 x square + kx.

2 (-1)^2 +k×-1 =0

2-k =0

-k= -2

Therefore , k=2 ....

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