Question

If x = 2 and y = -1, find the value of a) (4x)³ b) 1/( xy + yx)

Answer 1

Answer:

1. 512 2)0.25

Step-by-step explanation:

1. 8 cube is 512

2. 1/-4 =0.25

Answer 2

YOUR ANSWER IS HERE..

a

( 4 x )³ =

x = 2

( 4 × 2 )³

8³ = 8 × 8 × 8 = 64 × 8 = 512

b

1 = 1 = 1 = 1

( xy + yx ) ( 2 × ( -1 ) + ( -1 ) × 2 ) ( -2 + -2 ) ( -4 )

a = 512

b = 1

-4

I HOPE THIS WILL HELP YOU..