फलन (f(x)=x-2) और (g(x)=2|x|) के ग्राफ किन (x)-मानों पर मिलते हैं?
For which (x)-values do the graphs of (f(x)=x-2) and (g(x)=2|x|) meet?
Explanation opens after your attempt
A. (x=-2), (x=0), (x=2)
Concept
In \(x^2=2|x|\), putting (t=|x|) gives \(t^2=2t\). In exams, use \(x^2=|x|^2\).
Why this answer is correct
The correct answer is A. (x=-2), (x=0), (x=2). In \(x^2=2|x|\), putting (t=|x|) gives \(t^2=2t\). In exams, use \(x^2=|x|^2\).
Exam Tip
\(x^2=2|x|\) में (t=|x|) रखने पर \(t^2=2t\) मिलता है। परीक्षा में \(x^2=|x|^2\) का उपयोग करें।
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