Question

divide5√45 by √75/ √5​

Answer 1

Answer: $3\sqrt5$

Step-by-step explanation:

$5\sqrt 45 = 5\sqrt9*\sqrt5 = 5*3\sqrt5 = 15\sqrt5\\\sqrt75/\sqrt5 = \sqrt3*\sqrt25/\sqrt5 = \sqrt3*5/\sqrt5 =\sqrt3*\sqrt5$

dividing 1st by 2nd:

$15\sqrt5/\sqrt3*\sqrt5 = 15/\sqrt5 = 3*5/\sqrt5 = 3\sqrt5$

Answer 2

Answer:

The right answer is 5√3

Step-by-step explanation:

5√45÷√75/√5

=15√5×√5/5√3

=15×5/5√3

=15×√3/√3×√3

=15×√3/3

=5√3