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Algebraic Expressions — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSAlgebraic Expressions1 Mark
Question
In the expression $2\pi\text{r}$ the algebraic variable is ________.
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Answer

In the expression $2\pi\text{r}$ the algebraic variable is r.
Solution:
In the expression $2\pi\text{r},2\pi$, is constant while r is an algebraic variable.

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