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In which option is the correct conjugate chosen to rationalize an irrational denominator?
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Answer and explanation
Correct answer: For (\frac{1}{5+\sqrt{2}}) use (5-\sqrt{2})
The conjugate of (5+\sqrt{2}) is (5-\sqrt{2}). In exams changing the middle sign is the key idea of a conjugate.
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What is the correct answer to this question?
For (\frac{1}{5+\sqrt{2}}) use (5-\sqrt{2})
Why is this the correct answer?
The conjugate of (5+\sqrt{2}) is (5-\sqrt{2}). In exams changing the middle sign is the key idea of a conjugate.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.
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