साइनम फलन (f(x)=\operatorname{sgn}(x)) में (x<0) के लिए ग्राफ का (y)-मान क्या होता है?
For the signum function (f(x)=\operatorname{sgn}(x)), what is the (y)-value of the graph for (x<0)?
Explanation opens after your attempt
Correct Answer
A. ( -1 )
Concept
In the signum function, the value is (-1) for negative (x). In exams, keep the three cases (x<0), (x=0), and (x>0) separate.
Why this answer is correct
The correct answer is A. ( -1 ). In the signum function, the value is (-1) for negative (x). In exams, keep the three cases (x<0), (x=0), and (x>0) separate.
Exam Tip
साइनम फलन में ऋणात्मक (x) के लिए मान (-1) होता है। परीक्षा में (x<0), (x=0), (x>0) तीन स्थितियां अलग रखें।
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