If f(x)=3 x^4-5 x^2+9, then value of (x-1) is: - Vidyadip

MCQ

If $f(x)=3 x^4-5 x^2+9$, then value of $(x-1)$ is:

✓
$3 x^4+12 x^2+13 x^2+2 x+7$
B
$3 x^4-12 x^3-13 x^2-2 x-7$
C
$3 x^4-12 x^3+13 x^2-2 x+7$
D
$3 x^4-12 x^3-13 x^2+2 x+7$

✓

Answer

Correct option: A.

$3 x^4+12 x^2+13 x^2+2 x+7$

$3 x^4+12 x^2+13 x^2+2 x+7$

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