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Which of the following sums is rational?
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Answer and explanation
Correct answer: ((2+\sqrt{3})+(5-\sqrt{3}))
Step 1: First look for like irrational terms. Step 2: ((2+\sqrt{3})+(5-\sqrt{3})=7) because (\sqrt{3}) and (-\sqrt{3}) cancel. Step 3: Opposite irrational terms can produce a rational result.
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What is the correct answer to this question?
((2+\sqrt{3})+(5-\sqrt{3}))
Why is this the correct answer?
Step 1: First look for like irrational terms. Step 2: ((2+\sqrt{3})+(5-\sqrt{3})=7) because (\sqrt{3}) and (-\sqrt{3}) cancel. Step 3: Opposite irrational terms can produce a rational result.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.
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