((5x+2)2) में (x) वाले पद का गुणांक क्या होगा?
What will be the coefficient of the (x)-term in ((5x+2)2)?
Explanation opens after your attempt
B. (20)
Concept
The middle term is \(2\cdot5x\cdot2=20x\). So the coefficient of (x) is (20).
Why this answer is correct
The correct answer is B. (20). The middle term is \(2\cdot5x\cdot2=20x\). So the coefficient of (x) is (20).
Exam Tip
मध्य पद \(2\cdot5x\cdot2=20x\) है। इसलिए (x) का गुणांक (20) है।
Login to save your score, XP, coins and progress.
