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If (a=2^6\times3\times5^2) and (b=2^3\times3^4\times5), what will be the power of (5) in their HCF?
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Answer and explanation
Correct answer: (1)
Step 1: HCF uses the smaller power of a common prime. Step 2: The powers of (5) are (2) and (1), so the smaller power is (1). Step 3: A power of (1) is still an important part of the answer.
Frequently asked questions
What is the correct answer to this question?
(1)
Why is this the correct answer?
Step 1: HCF uses the smaller power of a common prime. Step 2: The powers of (5) are (2) and (1), so the smaller power is (1). Step 3: A power of (1) is still an important part of the answer.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: HCF and LCM using prime factorisation.
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