Surds & Indices
5 Questions 4 Easy 1 Medium
Practice Questions
#1
Medium MCQ
If (a + 1/a) = 7√3, then what is the value of (a^6 + a^(-6))?...
#2 Easy MCQ
If (x + 1/x) = 7, x > 0. Find the positive value of (x - 1/x)....
#3 Easy MCQ
If $x + \frac{1}{x} = 2$, then find the value of $$ x^{2723} + \frac{1}{x^{3356}}. $$...
#4 Easy MCQ
If x = 7 - 4√3, then find the value of (x² + 1/x²)....
#5 Easy MCQ
If x > 1 and x² + 1/x² = 83, then find the value of x³ - 1/x³....
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