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An equation with derivatives in several independent variables is:
APartial
BOrdinary
CRational
DIntegral
Answer & Solution
Correct answer: A. Partial
1. Here the derivatives are taken with respect to more than one variable.
2. That places it in a different family.
3. Such equations are called partial differential equations.
_Source: NCERT Class 12 Mathematics Part II, Chapter 9, Differential Equations._
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