Which expression is equal to 6/√5 ?

a. 6 √5 / 5

b. 30/√5

c. 6 √5 / 25

d. 36/√30

Step-by-step explanation:

6/√5 multiply it by √5/√5

6√5 × √5/√5 = 6√5/5

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

13cm

step-by-step explanation:

(apex)