यदि (P(t)=90+8t), तो (P(7)+P(19)) किस एक (P(k)) के दोगुने के बराबर है?
If (P(t)=90+8t), (P(7)+P(19)) is equal to twice which (P(k))?
Explanation opens after your attempt
C. (P(13))
Concept
In a linear model the midpoint of (7) and (19) is (13). Therefore (P(7)+P(19)=2P(13)).
Why this answer is correct
The correct answer is C. (P(13)). In a linear model the midpoint of (7) and (19) is (13). Therefore (P(7)+P(19)=2P(13)).
Exam Tip
रेखीय मॉडल में (7) और (19) का मध्य (13) है। इसलिए (P(7)+P(19)=2P(13)) होता है।
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