Get Started
1065

Q: If x = 2 + 223 + 213 then find the value of x3-6x2+6x ?

  • 1
    1
  • 2
    2
  • 3
    3
  • 4
    4
  • Show Answer
  • Workspace

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

Previous Next
Quantitative Aptitude CAT IIT JEE GRE Bank Exams GATE

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today