Join ExamsbookAnswer : 2. "2"
If x = 2 + 223 + 213 then find the value of x3-6x2+6x ?5
Q: If x = 2 + 223 + 213 then find the value of x3-6x2+6x ?
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Answer : 2. "2"
Explanation :
Answer: B) 2 Explanation: Given that x = 2+ 223 + 213 So x - 2 = 223 + 213 Now cubing on both sides, we get => x3-8-6x2+12x = 4 + 2 + 6(x-2) Therefore, x3-6x2+6x = -6 + 8 = 2