फलन (f(x)=\frac{2}{(x-1)2}-3) का परिसर क्या है?
What is the range of (f(x)=\frac{2}{(x-1)2}-3)?
Explanation opens after your attempt
A. (\(-3,\infty\))
Concept
(\frac{2}{(x-1)2}) is always positive but never (0). Therefore the function remains greater than (-3).
Why this answer is correct
The correct answer is A. (\(-3,\infty\)). (\frac{2}{(x-1)2}) is always positive but never (0). Therefore the function remains greater than (-3).
Exam Tip
(\frac{2}{(x-1)2}) हमेशा धनात्मक है लेकिन (0) नहीं होता। इसलिए फलन (-3) से बड़ा रहता है।
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