\(\frac{1}{x + y}\)
\(\frac{1}{xy}\)
x + y
xy
Correct answer is B
\(\frac{\frac{1}{x} + \frac{1}{y}}{x + y}\) = \(\frac{\frac{y + x}{xy}}{x + y}\)
= \(\frac{x + y}{xy}\)
= \(\frac{x + y}{xy} \times \frac{1}{x + y}\)
= \(\frac{1}{xy}\)
If p = \(\frac{3}{5} \sqrt{\frac{q}{r}}\), express q in terms of p and r...
p = \(\begin{vmatrix} x & 3 & 0 \\ 2 & y & 3\\ 4 & 2 & 4 \end{vmatrix}\) Q = \(\begin{vmatrix} x ...
From the venn diagram above, the shaded parts represent ...
If \(\begin{vmatrix} x & 3 \\ 2 & 7 \end{vmatrix} = 15\), find the value of x ...
A woman buys 270 oranges for N1800.00 and sells at 5 for N40.00. What is her profit? ...
In the diagram PQ is a diameter of circle PMQN center O, if ∠PQM = 63o, find ∠MNQ...
Simplify: (\(\frac{3}{4} - \frac{2}{3}\)) x 1\(\frac{1}{5}\)...
In this fiqure, PQ = PR = PS and SRT = 68\(^o\). Find QPS ...