Question

If f(x) = $\begin{vmatrix} cosx & 1 & 0 \\\ 0 & 2cosx & 3 \\\ 0 & 1 & 2cosx \\\ \end{vmatrix}$ then $\lim\limits_{x\rightarrow\pi} f(x)=$

• A. -1
• B. 1
• C. 0
• D. 3

Answer 1

Answer: (A)

-1

Answer 2

The correct answer is () :