Answers

A chord of a circle subtends an angle of 120° degrees at the centre of a circle of diameter…

If x varies directly as √n and x = 9 when n = 9, find x when n…

The binary operation * is defined on the set of integers p and q by p*q = pq…

The sum to infinity of the series: 1 + (1/3) + (1/9) + (1/27) + … is A.…

Make r subject of the formula given that (frac{x}{r+a}=frac{a}{r}) A. (frac{a^{2}}{(x-a)}) B. (frac{a^{2}}{(x+a)}) C. (frac{a}{x-a}) D. (frac{a}{x+a}) Correct…

The inverse function f(x) = 3x + 4 is A. (x-4)/3 B. (x-5)/5 C. (x+3)/4 D. (x+4)/3 Correct…

If -2 is the solution of the equation 2x + 1 – 3c = 2c + 3x –…

Find the maximum value of y in the equation y = 1 – 2x – 3x(^2) A. 5/4…

If the 9th term of an A.P is five times the 5th term, find the relationship between a…

Solve for x in the equation x(^3) – 5x(^2) – x + 5 = 0 A. 1, –…