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Check whether the first polynomial is a factor of the second polynomial by applying the division algorithm:
$g(t)\ =\ t^2\ –\ 3;\ f(t)\ =\ 2t^4\ +\ 3t^3\ –\ 2t^2\ –\ 9t\ –\ 12$
Given: $g(t)\ =\ t^2\ –\ 3$ and $f(t)\ =\ 2t^4\ +\ 3t^3\ –\ 2t^2\ –\ 9t\ –\ 12$. To do: We have to check whether $g(t)$ is a factor of $f(t)$ by applying the division algorithm. Solution: On applying the division algorithm, Dividend$f(t)\ =\ 2t^4\ +\ 3t^3\ –\ 2t^2\ –\ 9t\ –\ 12$ Divisor$g(t)\ =\ t^2\ –\ 3$ If $g(t)$ is a factor of $f(t)$ then the remainder on long division should be $0$. $t^2-3$)$2t^4+3t^3-2t^2-9t-12$($2t^2+3t+4$ $2t^4 -6t^2$ ------------------------------- $3t^3+4t^2-9t-12$ $3t^3 -9t$ -------------------------------- $4t^2-12$ $4t^2-12$ ---------------- $0$ Therefore, $g(t)$ is a factor of $f(t)$.