Question

if X + 1 by 2 x is equal to equal to 2 then find the value of 8 x cube + 1 by 2 cube​

Answer 1

(x+1)/2x=2

x+1=4x

3x=1

[x=1/3]

substitute x in equation

(8x^3+1)/2

((8×1/27)+1)/2^3

(8+27)/(27×8)

=35/216. or. 0.162