Simplify (\sqrt{63}).
Answer and explanation
Correct answer: (3\sqrt{7})
Step 1: (63=9 \times 7). Step 2: (\sqrt{63}=\sqrt{9 \times 7}=3\sqrt{7}). Step 3: Remember to take a perfect square like (9) outside the root.
Frequently asked questions
What is the correct answer to this question?
(3\sqrt{7})
Why is this the correct answer?
Step 1: (63=9 \times 7). Step 2: (\sqrt{63}=\sqrt{9 \times 7}=3\sqrt{7}). Step 3: Remember to take a perfect square like (9) outside the root.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.