(12a+9a) का सरल रूप क्या है?
What is the simplified form of (12a+9a)?
Explanation opens after your attempt
A. (21a)
Concept
Coefficients of like terms are added, so (12a+9a=21a). The variable (a) does not change.
Why this answer is correct
The correct answer is A. (21a). Coefficients of like terms are added, so (12a+9a=21a). The variable (a) does not change.
Exam Tip
समान पदों के गुणांक जोड़े जाते हैं इसलिए (12a+9a=21a)। चर (a) नहीं बदलता।
Login to save your score, XP, coins and progress.
