- A√5 + 2
- B√5 − 2
- C(√5 + 2)/9
- D2 − √5
Step-by-Step Solution
Multiply top and bottom by (√5 + 2): (√5 + 2)/ (√5 + 2)/(5 − 4) = √5 + 2.
Answer: A) √5 + 2
Rationalise the denominator of 1/(√5 − 2).
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