यदि (x=2) और (y=-4), तो \(3x^2-2xy+y\) का मान क्या होगा?
If (x=2) and (y=-4), what is the value of \(3x^2-2xy+y\)?
Explanation opens after your attempt
C. (24)
Concept
Substitution gives (3(4)-2(2)(-4)-4=24). Keep signs carefully in two-variable questions.
Why this answer is correct
The correct answer is C. (24). Substitution gives (3(4)-2(2)(-4)-4=24). Keep signs carefully in two-variable questions.
Exam Tip
मान रखने पर (3(4)-2(2)(-4)-4=24) मिलता है। दो चर वाले प्रश्न में चिह्न ध्यान से रखें।
Login to save your score, XP, coins and progress.
