Rationalize \(\frac{5\sqrt{7} - 7\sqrt{5}}{\sqrt{7} - \sq...
Rationalize 5√7−7√5√7−√5
-2√35
4√7 - 6√5
-√35
4√7 - 8√5
√35
Correct answer is C
5√7−7√5√7−√5 = 5√7−7√5√7−√5 x √7+√5√7+√5
= (5×7)+(5√7×5)−(7×√5×7)(−7×5)(√7)2
= 5√35−7√352
= −2√352
= - √35
Find the determinant of the matrix A = \(\begin{pmatrix} 2 & 3 \\ 1 & 3&...
The table above shows the scores of a group of 40 students in a physics test What is the mean of ...
The probabilities that John and James pass an examination are 34and \(\frac {3}{5...
The locus of points equidistant from a fixed point. ...
In the equation below, Solve for x if all the numbers are in base 2: 11x = \(\frac{1000...