Question

if x=2+√3,find the value of x cube minus 12x square +6xminus 8​

Answer 1

Answer:

X3 - 12x2 + 6x - 8

Put the values of x

( 2 + root 3)3 - 12(2+root 3)2 + 6(2 + root 3) - 8

(8 + 3root 3) - 12 ( 4 +3) + 12 + 6root3 - 8

Step-by-step explanation:

Hope it helps