Divide 36√39/9√13. Provide an exact answer..

To divide 36√39 by 9√13, we divide the numbers outside the square root separately and the numbers inside the square root separately.

36 ÷ 9 = 4
√39 ÷ √13 = √(39/13) = √3

Therefore, 36√39/9√13 = 4√3.