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Class 9 Mathematics Number Systems Irrational numbersEasyLevel 18

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Which is the simplified form of (\sqrt{28}+\sqrt{63})?

Answer and explanation

Correct answer: (5\sqrt{7})

(\sqrt{28}=2\sqrt{7}) and (\sqrt{63}=3\sqrt{7}), so the sum is (5\sqrt{7}). Add like radicals.

Related tags

Number-Systems Irrational-Numbers Easy

Frequently asked questions

What is the correct answer to this question?

(5\sqrt{7})

Why is this the correct answer?

(\sqrt{28}=2\sqrt{7}) and (\sqrt{63}=3\sqrt{7}), so the sum is (5\sqrt{7}). Add 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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