यदि (f(x)=\frac{x-2-9}{x-3}) और (g(x)=\frac{x-2-1}{x-1}) हैं, तो ((f-g)(2)) क्या है?
If (f(x)=\frac{x-2-9}{x-3}) and (g(x)=\frac{x-2-1}{x-1}), what is ((f-g)(2))?
Explanation opens after your attempt
A. (-2)
Concept
(f(2)=5) and (g(2)=3), so (f(2)-g(2)=2). Direct evaluation reduces mistakes.
Why this answer is correct
The correct answer is A. (-2). (f(2)=5) and (g(2)=3), so (f(2)-g(2)=2). Direct evaluation reduces mistakes.
Exam Tip
(f(2)=5) और (g(2)=3), इसलिए (f(2)-g(2)=2)। सीधे मान निकालने पर गलती कम होती है।
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