यदि (F(t)=32+rt) और (F(3)=F(8)-40), तो (r) क्या है?
If (F(t)=32+rt) and (F(3)=F(8)-40), what is (r)?
Explanation opens after your attempt
C. (8)
Concept
(F(8)-F(3)=5r). From (5r=40), (r=8).
Why this answer is correct
The correct answer is C. (8). (F(8)-F(3)=5r). From (5r=40), (r=8).
Exam Tip
(F(8)-F(3)=5r) है। (5r=40) से (r=8) मिलता है।
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