Question

find the value of K of x+3 is a factor of 3x²+kx+6​

Answer 1

Answer:

Since, (x+3) is a factor of 3x²+kx+6,

So, -3 is the zero of the above polynomial.

Now, putting the value of x as -3,

=》3(-3²)+k(-3)+6=0

=》3(9)-3k+6=0

=》27+6=3k

=》33=3k

=》k=33/3

=》k=11

So, k=11

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Answer 2

hope it's right . pls comment if it's right or wrong