Question

On dividing 7√45 by 3√5, we get

Answer 1

Answer:

7

Step-by-step explanation:

7√9 * √5/3*√5

= 7*3/3= 7

Hope u got it

Answer 2

Answer:

7

Step-by-step explanation:

Generally by definition of the square root  we have following two identity:

$1)\,\,\,\sqrt{p^2} = p\\2)\,\,\,\sqrt{pq} = \sqrt{p} \sqrt{q}$

Notice that from (1) we have √9 = 3, and from (2) √45 =√9√5.

Thus, we have:

Dividing 7√45 by 3√5 = 7√45 ÷ 3√5 = (7×3√5)÷(3√5) = 7

#SPJ3