Q11. For \( \Delta ABC\), \(\tan{(B+C)} = _{-------} \)

Q12. For the function \(h(x) = \sqrt(x)\), what is \(h^{'}(x)?\)

Q13. If \(f(x) = sin(x)\), what is \(f^{'}(x)?\)

Q14. What is the integral of \(2x^3\) with respect to \(x\) ?

Q15. If \( A = \begin{bmatrix}3 & 4 \\ 2 & 3 \end{bmatrix} \), \( B = \begin{bmatrix}-2 & -2 \\ 0 & -1 \end{bmatrix} \), then \((A+B)^{-1}\)

Q16. When using the method of substitution, which expression is typically chosen as the new variable?

Q17. If the dataset is \([3, 5, 7, 7, 9,3,3]\), what is the mode?

Q18. If \(y = e^x\), what is \(dy/dx\)?

Q19. For the function \(g(x) =\sqrt{2x+1}\) what is \(g^{'}(x)\), the derivative using the chain rule?

Q20. For a given square matrix, changing the rows into columns and the columns into rows will