यदि \(A={x:x\in\mathbb{Z}\) और \(x^2-2x=0}\) तथा \(B=\{0,2\}\) हैं तो क्या सत्य है?
If \(A={x:x\in\mathbb{Z}\) and \(x^2-2x=0}\) and \(B=\{0,2\}\), what is true?
Explanation opens after your attempt
Correct Answer
A. (A=B)
Concept
(x-2-2x=x(x-2)), so the roots are (0) and (2). Do not forget zero as a root.
Why this answer is correct
The correct answer is A. (A=B). (x-2-2x=x(x-2)), so the roots are (0) and (2). Do not forget zero as a root.
Exam Tip
(x-2-2x=x(x-2)) इसलिए हल (0) और (2) हैं। शून्य को हल मानने में गलती न करें।
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