\(-x^2+4x+5\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(-x^2+4x+5\)?
Explanation opens after your attempt
B. (-1)
Concept
\(-x^2\) means \(-1\cdot x^2\). Exam tip: remember the sign of the hidden (1).
Why this answer is correct
The correct answer is B. (-1). \(-x^2\) means \(-1\cdot x^2\). Exam tip: remember the sign of the hidden (1).
Exam Tip
\(-x^2\) का अर्थ \(-1\cdot x^2\) है। परीक्षा में छिपे हुए (1) का चिन्ह याद रखें।
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