exam Maths Puzzle Numerical Ability

Can someone please explain this and dumbify it down - thank you so much in advance:

Rationalize the denominator:
_____2______
√[6] - √[5]

Read Solution (Total 0)

exam Other Question
z^2-64/z / z-8/z+5 Using coordinate geometry, prove the the diagonals of a rhombus are perpendicular.