Answers Determine x + y if (begin{pmatrix} 2 & -3 \ -1 & 4 end{pmatrix}) (begin{pmatrix}… Determine x + y if (begin{pmatrix} 2 & -3 \ -1 & 4 end{pmatrix}) (begin{pmatrix} x \ y… Read More
Answers The nth term of a sequence is given 31 – n , find the sum… The nth term of a sequence is given 31 – n , find the sum of the first… Read More
Answers Sn is the sum of the first n terms of a series given by Sn… Sn is the sum of the first n terms of a series given by Sn = n(^2) – 1.… Read More
Answers Find the value of k if (frac{5 + 2r}{(r + 1)(r – 2)}) expressed in… Find the value of k if (frac{5 + 2r}{(r + 1)(r – 2)}) expressed in partial fraction is… Read More
Answers Let f(x) = 2x + 4 and g(x) = 6x + 7 here g(x) >… Let f(x) = 2x + 4 and g(x) = 6x + 7 here g(x) > 0. Solve the… Read More
Answers Find the range of values of x which satisfies the inequality 12×2 Find the range of values of x which satisfies the inequality 12×2 A. -(frac{1}{4}) B. (frac{1}{4}) C. -(frac{1}{3}) D. -(frac{1}{4}) Correct Answer: Option A Explanation 12×2 12 – x – 1 12×2 – 4x + 3x – 1 4x(3x – 1) + (3x – 1) Case 1 (+, -) 4x + 1 > 0, 3x – 1 x > -(frac{1}{4})x Case 2 (-, +) 4x + 1 0 -(frac{1}{4}) `, props: [‘comment’], data() { return {} }, methods: {} }) {{ reply.posted_by.display_name }}: {{ reply.created_at }} `, props: [‘comment’, ‘reply’, ‘rate_selection’, ‘token’], data() { return {} }, methods: {} }) {{ comment.posted_by.display_name }}{{ comment.created_at }} Find the range of values of x which satisfies the inequality 12×2 A. -(frac{1}{4}) B. (frac{1}{4}) C. -(frac{1}{3})… Read More
Answers Make F the subject of the formula t = (sqrt{frac{v}{frac{1}{f} + frac{1}{g}}}) Make F the subject of the formula t = (sqrt{frac{v}{frac{1}{f} + frac{1}{g}}}) A. (frac{gv-t^2}{gt^2}) B. (frac{gt^2}{gv-t^2}) C. (frac{v}{frac{1}{t^2}… Read More
Answers What value of g will make the expression 4×2 – 18xy + g a perfect… What value of g will make the expression 4×2 – 18xy + g a perfect square? A. 9… Read More
Answers Solve the simultaneous equations (frac{2}{x} – {frac{3}{y}}) = 2, (frac{4}{x} + {frac{3}{y}}) = 10 Solve the simultaneous equations (frac{2}{x} – {frac{3}{y}}) = 2, (frac{4}{x} + {frac{3}{y}}) = 10 A. x = (frac{3}{2}),… Read More
Answers Find the minimum value of X2 – 3x + 2 for all real values of… Find the minimum value of X2 – 3x + 2 for all real values of x A. -(frac{1}{4})… Read More