Step-by-step explanation: Given, x=2+2 2/3 +2 1/3 ⇒(x−2)=2 2/3 +2 1/3 ⇒(x−2)=2 2/3 +2 1/3 On cubing both sides, we get (x−2) 3 =2 2 +2+3⋅2 2/3 ⋅2 1/3 (2 2/3 +2 1/3 ) ⇒x 3 −6x 2 +12x−8=4+2+3×2×(x−2) ⇒x 3 −6x 2 +6x=2. Reply
Step-by-step explanation:
Given, x=2+2
2/3
+2
1/3
⇒(x−2)=2
2/3
+2
1/3
⇒(x−2)=2
2/3
+2
1/3
On cubing both sides, we get
(x−2)
3
=2
2
+2+3⋅2
2/3
⋅2
1/3
(2
2/3
+2
1/3
)
⇒x
3
−6x
2
+12x−8=4+2+3×2×(x−2)
⇒x
3
−6x
2
+6x=2.