Which of this is equivalent to the one given below ? <br> $\qquad(4x^3+3x^2-2) - (2x^2-x+1)$

Question

$\begin{array}{1 1} (a)\; 4x^3-x^2-x-3 \\ (b)\; 4x^3+x^2-x-3 \\ (c)\; 4x^3+x^2+x+3 \\ (d)\; 4x^3+x^2+x-3 \end{array}$