यदि (L(t)=4t+19), तो (L(5t)-L(2t)) क्या है?
If (L(t)=4t+19), what is (L(5t)-L(2t))?
Explanation opens after your attempt
C. (12t)
Concept
(L(5t)=20t+19) and (L(2t)=8t+19). The difference is (12t).
Why this answer is correct
The correct answer is C. (12t). (L(5t)=20t+19) and (L(2t)=8t+19). The difference is (12t).
Exam Tip
(L(5t)=20t+19) और (L(2t)=8t+19) है। अंतर (12t) है।
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