Answers What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2? What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2? A. 2t B. 2t-1… Read More
Answers Evaluate (int^{frac{pi}{2}} _{frac{-pi}{2}} cos x dx) Evaluate (int^{frac{pi}{2}} _{frac{-pi}{2}} cos x dx) A. zero B. 1 C. 2 D. 3 Correct Answer: Option C… Read More
Answers On a pie chart there are six sectors of which four angles are 30°, 45°,… On a pie chart there are six sectors of which four angles are 30°, 45°, 60°, 90° and the… Read More
Answers Find the minimum value of the function y = x(1+x) Find the minimum value of the function y = x(1+x) A. –1/4 B. –1/2 C.1/4 D.1/2 Correct Answer:… Read More
Answers Evaluate (int_1 ^2(6x^2-2x)dx) Evaluate (int_1 ^2(6x^2-2x)dx) A. 16 B. 13 C. 12 D. 11 Correct Answer: Option D Explanation (int_1 ^2(6x^2-2x)dx=[frac{6x^3}{3}-frac{2x^2}{2}]_1… Read More
Answers Find the derivative of (y=frac{x^7 – x^5}{x^4}) Find the derivative of (y=frac{x^7 – x^5}{x^4}) A. x(x2-1) B. 3x(x2-1) C. 3×2-1 D. 7×6-5×4 Correct Answer: Option… Read More
Answers Differentiate sin x – x cos x Differentiate sin x – x cos x A. x cos x B. x sin x C. -x cos… Read More
Answers Find the gradient of a line which is perpendicular to the line with the equation… Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y… Read More
Answers If sinθ = 3/5. Find Tanθ If sinθ = 3/5. Find Tanθ A.3/4 B.3/5 C.2/5 D.1/4 Correct Answer: Option A Explanation sinθ = 3/5… Read More
Answers The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular… The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular bisector of PR… Read More