If x + 1/x = 6, find the value of x^2 + 1/x^2.
A32
B34
C36
D38
Explanation
x^2 + 1/x^2 = (x + 1/x)^2 – 2 = 6^2 – 2 = 36 – 2 = 34.
Exam Relevance
- Topic: Algebra
- Subtopic: Identities
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