Question

if x+½ = 2 then x³+1/x³​

Answer 1

Answer:

3.61729

Step-by-step explanation:

x=3÷2 then x³=27÷8 and 1/x³=8÷27 then add them

Answer 2

$\huge \bf \underline{ \underline{Question}}$

if x+½ = 2 then x³+1/x³

$\huge\mathtt{Answer :-}$

x+½ = 2

=> x = 1 ½

x³+1/x³

Putting the value of x in the equation we get,

= (1½)³+1/(1 ½)³

= 27/8 + 8/27

= (729 + 64)/216

= 793/216