Question

Check whether the polynomials q(t) = 4t cube + 4t square – t – 1 is a multiple of 2t +1

Answer 1

Answer:

It is not

Step-by-step explanation:

the step by step explanation is in,the image attached

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Answer 2

Answer:

Yes, it is a factor polynomial of 4t³+4t²-t-1

Step-by-step explanation:

Using remainder theorem

2t+1=0

2t=-1

t= -½

Putting t= -½in q(t)

q(t)=4t³+4t²-t-1

=4(-½)³+4(-½)²-(-½)-1

= -½+1+½-1

=0

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