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An elementary area is located at a position specified by some value of:
Ax between a and b
By between c and d
Cz between p and q
Dt between u and v
Answer & Solution
Correct answer: A. x between a and b
1. Vertical strips are indexed along the horizontal axis.
2. The limits of that axis are the ordinates a and b.
3. So the position is a value of x between a and b.
4. The answer is x between a and b.
_Source: NCERT Class 12 Mathematics, Ch 8 'Application of Integrals'_
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