किस विकल्प में बहुपद की डिग्री (2) है और अग्रणी गुणांक ऋणात्मक है?
Which option has degree (2) and a negative leading coefficient?
Explanation opens after your attempt
B. \(-4x^2+7x-2\)
Concept
\(-4x^2+7x-2\) has degree (2) and leading coefficient (-4). Both conditions are satisfied here.
Why this answer is correct
The correct answer is B. \(-4x^2+7x-2\). \(-4x^2+7x-2\) has degree (2) and leading coefficient (-4). Both conditions are satisfied here.
Exam Tip
\(-4x^2+7x-2\) की डिग्री (2) है और अग्रणी गुणांक (-4) है। दोनों शर्तें इसी में पूरी होती हैं।
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