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If (N=2^2 \times 3^2 \times 5^2), what type of number is (N)?
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Answer and explanation
Correct answer: Perfect square
Step 1: In a perfect square, every prime exponent is even. Step 2: Here all exponents are (2), so (N) is a perfect square. Step 3: To identify a square, check whether all exponents are even.
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What is the correct answer to this question?
Perfect square
Why is this the correct answer?
Step 1: In a perfect square, every prime exponent is even. Step 2: Here all exponents are (2), so (N) is a perfect square. Step 3: To identify a square, check whether all exponents are even.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.
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