यदि (m-n=9), तो (2m-2n+11) का मान क्या होगा?
If (m-n=9), what is the value of (2m-2n+11)?
Explanation opens after your attempt
C. (29)
Concept
(2m-2n+11=2(m-n)+11=18+11=29). If the same coefficient appears, take the common factor.
Why this answer is correct
The correct answer is C. (29). (2m-2n+11=2(m-n)+11=18+11=29). If the same coefficient appears, take the common factor.
Exam Tip
(2m-2n+11=2(m-n)+11=18+11=29)। समान गुणांक दिखे तो सामान्य गुणक निकालें।
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