Q21. If \(f(x) = 6x^4 - 2x^2 + 4\), what is \(f^{"}(x)\), the second derivative of \(p(x)\) with respect to \(x\)?

Q22. If \(f(x) = \tan(5x)\), what is \(f^{'}(x)?\)

Q23. What is the logarithmic representation of \(8=2^x\)?

Q24. What is the derivative of the constant function \(f(x) = 5\) with respect to \(x\)?

Q25. \( \cos^{2}{41^{\circ}} + \cos^{2}{49^{\circ}}=_{------------}\)

Q26. If \(g(x) = e^{(3x)^{2}}\), what is \(g'(x)?\)

Q27. \( \cos{2\alpha} = _{----------} .\)

Q28. What is the derivative of the function \(f(x) = 3x^2\) with respect to \(x\)?

Q29. Which of the following is not a trigonometry Identity?

Q30. What is the derivative of the natural logarithm function, \(ln(x)?\)