यदि (P(t)=50+4t), तो (P(4)+P(12)) किस एक (P(k)) के दोगुने के बराबर है?
If (P(t)=50+4t), (P(4)+P(12)) is equal to twice which (P(k))?
Explanation opens after your attempt
C. (P(8))
Concept
In a linear model the midpoint of (4) and (12) is (8). Therefore (P(4)+P(12)=2P(8)).
Why this answer is correct
The correct answer is C. (P(8)). In a linear model the midpoint of (4) and (12) is (8). Therefore (P(4)+P(12)=2P(8)).
Exam Tip
रेखीय मॉडल में (4) और (12) का मध्य (8) है। इसलिए (P(4)+P(12)=2P(8)) होता है।
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