For a positive integer (m), \(\sqrt{m}\) is rational only when (m) is a perfect square. Identifying perfect squares is important in exams.
Step 2
Why this answer is correct
The correct answer is B. (m) पूर्ण वर्ग है / (m) is a perfect square. For a positive integer (m), \(\sqrt{m}\) is rational only when (m) is a perfect square. Identifying perfect squares is important in exams.
Step 3
Exam Tip
धनात्मक पूर्णांक (m) के लिए \(\sqrt{m}\) परिमेय तभी होगा जब (m) पूर्ण वर्ग हो। परीक्षा में पूर्ण वर्ग पहचानना जरूरी है।
A. (m) पूर्ण वर्ग होना चाहिए/(m) must be a perfect square
Step 1
Concept
The square root of a positive integer is rational only when it is a perfect square. This is the key rule for roots.
Step 2
Why this answer is correct
The correct answer is A. (m) पूर्ण वर्ग होना चाहिए / (m) must be a perfect square. The square root of a positive integer is rational only when it is a perfect square. This is the key rule for roots.
Step 3
Exam Tip
धनात्मक पूर्णांक की वर्गमूल परिमेय तभी होती है जब वह पूर्ण वर्ग हो। यह जड़ों की प्रकृति का मुख्य नियम है।
The square root of a positive integer is rational only when it is a perfect square. Apply this rule directly.
Step 2
Why this answer is correct
The correct answer is A. पूर्ण वर्ग / Perfect square. The square root of a positive integer is rational only when it is a perfect square. Apply this rule directly.
Step 3
Exam Tip
धनात्मक पूर्णांक की वर्गमूल परिमेय तभी होती है जब वह पूर्ण वर्ग हो। इस नियम को सीधे लागू करें।
The square root of a positive integer is rational only when the number is a perfect square. This is a direct exam rule.
Step 2
Why this answer is correct
The correct answer is A. (n) पूर्ण वर्ग है / (n) is a perfect square. The square root of a positive integer is rational only when the number is a perfect square. This is a direct exam rule.
Step 3
Exam Tip
धनात्मक पूर्णांक की वर्गमूल परिमेय तभी होती है जब संख्या पूर्ण वर्ग हो। यह सीधा परीक्षा नियम है।
The square root of a positive integer is rational only when the number is a perfect square. This is a direct MCQ rule.
Step 2
Why this answer is correct
The correct answer is A. (n) पूर्ण वर्ग है / (n) is a perfect square. The square root of a positive integer is rational only when the number is a perfect square. This is a direct MCQ rule.
Step 3
Exam Tip
धनात्मक पूर्णांक की वर्गमूल परिमेय तभी होती है जब संख्या पूर्ण वर्ग हो। यह MCQ में सीधा नियम है।
