- A(√7 + √5)/2
- B√7 + √5
- C(√7 − √5)/2
- D(√7 + √5)/12
Step-by-Step Solution
Multiply top and bottom by : the denominator becomes 7 − 5 = 2, giving .
Answer: A) (√7 + √5)/2
Rationalise the denominator of .
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