If (\sqrt{a}=15), which statement about (a) is correct?
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Answer and explanation
Correct answer: (a=225) and is a perfect square
Step 1: If (\sqrt{a}=15), square both sides. Step 2: (a=225), and (225) is a perfect square. Step 3: Square both sides in square-root equations to find the original number.
Frequently asked questions
What is the correct answer to this question?
(a=225) and is a perfect square
Why is this the correct answer?
Step 1: If (\sqrt{a}=15), square both sides. Step 2: (a=225), and (225) is a perfect square. Step 3: Square both sides in square-root equations to find the original number.
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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