बहुपद (p(x)=x-2+2x+3) के लिए (p(-1)) का मान क्या है?
For (p(x)=x-2+2x+3), what is the value of (p(-1))?
Explanation opens after your attempt
B. (2)
Concept
(p(-1)=(-1)2+2(-1)+3=2). In exams, use brackets while substituting a negative value.
Why this answer is correct
The correct answer is B. (2). (p(-1)=(-1)2+2(-1)+3=2). In exams, use brackets while substituting a negative value.
Exam Tip
(p(-1)=(-1)2+2(-1)+3=2)। परीक्षा में ऋणात्मक मान रखते समय कोष्ठक लगाएं।
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