यदि (p(x)=180-10x) और (q(x)=72+2x), तो (p(x)=q(x)) के लिए (x) क्या है?
If (p(x)=180-10x) and (q(x)=72+2x), what is (x) for (p(x)=q(x))?
Explanation opens after your attempt
C. (x=9)
Concept
From (180-10x=72+2x), (108=12x) and (x=9). Equate the growth and decay models.
Why this answer is correct
The correct answer is C. (x=9). From (180-10x=72+2x), (108=12x) and (x=9). Equate the growth and decay models.
Exam Tip
(180-10x=72+2x) से (108=12x) और (x=9) है। वृद्धि और क्षय मॉडल को बराबर करें।
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