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What is the simplified form of (\sqrt{80}-\sqrt{45})?
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Answer and explanation
Correct answer: (\sqrt{5})
(\sqrt{80}=4\sqrt{5}) and (\sqrt{45}=3\sqrt{5}), so the difference is (\sqrt{5}). Subtract like radicals.
Frequently asked questions
What is the correct answer to this question?
(\sqrt{5})
Why is this the correct answer?
(\sqrt{80}=4\sqrt{5}) and (\sqrt{45}=3\sqrt{5}), so the difference is (\sqrt{5}). Subtract like radicals.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Irrational numbers.
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