फलन (f(x)=\sqrt{x-2}) किसके बराबर है?
The function (f(x)=\sqrt{x-2}) is equal to what?
Explanation opens after your attempt
Correct Answer
A. (|x|)
Concept
\(\sqrt{x^2}\) is always non-negative, so it equals (|x|). A common mistake is writing it directly as (x).
Why this answer is correct
The correct answer is A. (|x|). \(\sqrt{x^2}\) is always non-negative, so it equals (|x|). A common mistake is writing it directly as (x).
Exam Tip
\(\sqrt{x^2}\) का मान हमेशा गैर-ऋणात्मक होता है, इसलिए यह (|x|) के बराबर है। सामान्य गलती इसे सीधे (x) लिखना है।
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