Solve 2y 64 2 0 A y 1 B y 11 C y 5 D y 15 Solve 4 Squ

Solve (2y + 6)^4 - 2 = 0 A y = 1 B y = 11 C y = 5 D y = 15 Solve 4 Squareroot y + 2 + 9 = 14 A 23 B 53 C 123 D 623 Solve (2x - 1)^1/4 - 2 = 1 A 41 B 28 C 13 D 1

Solution

14) (2y+6)^1/4 = 2

(2y+6) =2^4

2y = 10

y = 5

15) (y+2)^1/4 +9 = 14

(y+2)^1/4 = 5

(y+2) = 5^4

y = 625 - 2 = 623

Option D

16) Option A : x = 41

17) -8x^3

18) 27x^3 +y^3 = (3x+y)(9x^2 - 3xy + y^2)

Option B