Mathematics Answer, Explanation and Revision Hints
\(समुच्चय (A={x:x\) is a natural number and x-2=4}) क्या है? \(/ What is the set (A={x:x\) is a natural number and \(x^2=4})\)?
Correct Answer: B. ({2}). Explanation: चरण 1: \(x^2=4\) के संख्यात्मक हल (-2) और (2) हो सकते हैं। चरण 2: पर (x) प्राकृतिक संख्या है, इसलिए (2) ही लिया जाएगा। चरण 3: शर्तों को पूरा पढ़कर ही समुच्चय लिखें। / Step 1: The numerical solutions of \(x^2=4\) can be (-2) and (2). Step 2: Since (x) is a natural number, only (2) is allowed. Step 3: Read all conditions before forming the set.
Why is option B correct in this Mathematics MCQ?
पर (x) प्राकृतिक संख्या है, इसलिए (2) ही लिया जाएगा। / Since (x) is a natural number, only (2) is allowed.
What should I remember for this Mathematics concept?
शर्तों को पूरा पढ़कर ही समुच्चय लिखें। / Read all conditions before forming the set.
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