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(begin{array}{c|c} oplus mod 10 & 2 & 4 & 6 & 8 \ hline 2 & 4 &…

A binary operation (oplus) is defines on the set of all positive integers by a (oplus) b =…

Find the value of log10 r + log10 r2 + log10 r4 + log10 r8 + log10 r16…

Find the nth term of the sequence 3, 6, 10, 15, 21….. A. (frac{n(n – 1)}{2}) B. (frac{n(n…

If the 6th term of an arithmetic progression is 11 and the first term is 1, find the…

Find the range of values of x for which (frac{1}{x}) > 2 is true A. x B. x…

Find P if (frac{x – 3}{(1 – x)(x + 2)}) = (frac{p}{1 – x}) + (frac{Q}{x + 2})…

If a = 1, b = 3, solve for x in the equation (frac{a}{a – x}) = (frac{b}{x…

Solve for r in the following equation (frac{1}{r – 1}) + (frac{2}{r + 1}) = (frac{3}{r}) A. 3…

Find the values of p and q such that (x – 1)and (x – 3) are factors of…