Question 22 O Mark this question 34 Use summation formulas to evaluate the sum: E (- K2+ 20k-8). K = 1 34 O E(-K2+20k-8)=25577 K = 1 34 O E(-K2+20k-8) =25313 K =1 34 O Z(-K2+ 20k-8) = - 1793 K = 1 34 O Z (-K2+20k-8) = -2057 k =1Question 23 O Mark this question Solve y' = 8-16x3 -10e - 5x+ 5 , given that the solution passes through the point (1,4). O y= 8x -4x*+ 2e - 5x +5 - 2 O y= - 4x*+2e "5X+5 + 6 O y= 8x-4x* -2e - 5x + 5 + 2 O y= 8x -4x* - 10e - 5x + 5 + 10Question 24 O Mark this question Find the following indefinite integral: 5x 3 sin(x* - 12)dx O cos(x4 - 12) + c O 5 X*cos _x5 - 12x + c O 4 -x*cos -X3 - 12x +c O cos(x* -12) + cQuestion 25 O Mark this question Find the derivative of f(x) = sec(x* + 5x -1). O f'(x)= sec(x3 + 5x - 1)tan(x3+5x -1) O f'(x) =(3x2+5)secxtanx O f'(x) = sec(3x2 + 5)tan(3x2 +5) O f'(x) = (3x2+5)sec(x3+5x -1)tan(x3+5x -1)