Question

is -1 the zero of polynomial 2x^4 +9x^3+11x^2+4x-6

show the calculation plz ...
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Answer 1

Answer:

-6

Step-by-step explanation:

p(-1)=2(-1)^4+9(-1)^3+11(-1)^2+4(-1)-6

= 2-9+11-4-6

= -6

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Answer 2

Answer:

NO

Step-by-step explanation:

2x^4+9x^3+11x^2+4x-6

= 2(-1)^4+9(-1)^3+11(-1)^2+4(-1)-6

= 2+(-9)+11-4-6

= -7+11-4-6

= 4-4-6

= 0-6

= -6

Because the answer is not Zero, it is not the zero of the polynomial.

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