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Algebraic Geometry: Curves, Varieties, and Riemann Surfaces
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What is the dimension of the projective space $\mathbb{P}^n$?
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A
$n-1$
💡 Explanation:
The projective space $\mathbb{P}^n$ is the set of all lines through the origin in $\mathbb{R}^{n+1}$. It has dimension $n-1$.