1x+y
1xy
x + y
xy
Correct answer is B
1x+1yx+y = y+xxyx+y
= x+yxy
= x+yxy×1x+y
= 1xy
Which of the following is NOT a factor of 124 - 54?...
The area and a diagonal of a rhombus are 60 cm2 and 12 cm respectively. Calculate the leng...
Age in years 7 8 9 10 11 No of pupils 4 13 30 44 9 The table above shows...
The sum of four consecutive integers is 34. Find the least of these numbers ...
\(\begin{array}{c|c} class& 1 - 3 & 4 - 6 & 7 - 9\\ \hline Frequency & 5 & 8 &am...