Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
AlgebraAlgebraic Expressions and Identities
If x = 7 − 4√3, then the value of x − 1/x is?
- A.1
- B.-8 (3 )^1/2
- C.8 (3 )^1/2Correct answer
- D.-1
Timed quizzes, instant results, track your progress — free
Practice these MCQs in the appQuick fact: If x = 7 − 4√3, then x − 1/x = 8√3.