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What is the simplified form of (\sqrt{8}+\sqrt{18})?
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Answer and explanation
Correct answer: (5\sqrt{2})
Step 1: (\sqrt{8}=2\sqrt{2}) and (\sqrt{18}=3\sqrt{2}). Step 2: (2\sqrt{2}+3\sqrt{2}=5\sqrt{2}). Step 3: Radicals can be added only after they become like radicals.
Frequently asked questions
What is the correct answer to this question?
(5\sqrt{2})
Why is this the correct answer?
Step 1: (\sqrt{8}=2\sqrt{2}) and (\sqrt{18}=3\sqrt{2}). Step 2: (2\sqrt{2}+3\sqrt{2}=5\sqrt{2}). Step 3: Radicals can be added only after they become like radicals.
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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