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The function (f(x)=\sqrt{x^2}) is equal to what?फलन (f(x)=\sqrt{x^2}) किसके बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (|x|)(|x|)
(\sqrt{x^2}) is always non-negative, so it equals (|x|). A common mistake is writing it directly as (x).(\sqrt{x^2}) का मान हमेशा गैर-ऋणात्मक होता है, इसलिए यह (|x|) के बराबर है। सामान्य गलती इसे सीधे (x) लिखना है।
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