Mathematics Past Questions and Answers

W ∝ L² and W = 6 when L = 4. If L = √17 find W

A binary operation Δ is defined by aΔb = a + b + 1 for any numbers a and b. Find the inverse of the real number 7 under the operation Δ, if the identity element is -1

The nth term of the sequence ³/₂, 3, 7, 16, 35, 74 ..... is

Find the sum to infinity of the series \(2+\frac{3}{2}+\frac{9}{8}+\frac{27}{32}+......\)

Find y, if \(\sqrt{12}-\sqrt{147}+y\sqrt{3} = 0\)