यदि (f(x)=\sqrt{4-x-2}) और (g(x)=x+1) हैं तो ((fg)(x)) का प्रांत क्या है?

If (f(x)=\sqrt{4-x-2}) and (g(x)=x+1) then what is the domain of ((fg)(x))?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \([-2,2])

Explanation

Simple Explanation

वर्गमूल के लिए \(4-x^2\ge 0\), यानी \(-2\le x\le 2\)। (g(x)) सभी वास्तविक (x) पर परिभाषित है। / For the square root \(4-x^2\ge 0\), that is \(-2\le x\le 2\). The function (g(x)) is defined for all real (x).

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=\sqrt{4-x-2}) और (g(x)=x+1) हैं तो ((fg)(x)) का प्रांत क्या है? / If (f(x)=\sqrt{4-x-2}) and (g(x)=x+1) then what is the domain of ((fg)(x))?

Correct Answer: A. \([-2,2]). Explanation: वर्गमूल के लिए \(4-x^2\ge 0\), यानी \(-2\le x\le 2\)। (g(x)) सभी वास्तविक (x) पर परिभाषित है। / For the square root \(4-x^2\ge 0\), that is \(-2\le x\le 2\). The function (g(x)) is defined for all real (x).