Question

If m * n = √mn - n2, then 5 * 3 =

Answer 1

Answer:

$m \times n = \sqrt{mn } - {n}^{2} \\ 5 \times 3 = \sqrt{(5)(3)} - {3}^{2} \\ 15 = \sqrt{15} - 9 \\ 15 = 3.8729 - 9 \\ 15 = - 5.1270$

Step-by-step explanation:

given, m=5, n=3

5 * 3 = root 15-9

15 = -5.12