exam Maths Puzzle Numerical Ability

(4 sqrt s + 11 sqrt t)(4 sqrt s - 11 sqrt t)

To me, this is a difference of squares. How is the anser written??

Read Solution (Total 0)

exam Other Question

3√9
3√54

division
In a survey of 75 resorts, it was reported that:
34 provided refrigerators in the guest rooms
30 provided laundry services
37 provided business centers
15 provided refri