Parte:
Project ID:
9000151306
Accepted:
1
Clonable:
0
Easy:
0
Determina el ángulo \(\varphi \)
entre las rectas cuyas ecuaciones paramétricas son \(p\)
y \(q\).
\[
p\colon \begin{aligned}[t] x& = 1 - t, &
\\y& = 2 + t;\ t\in \mathbb{R},
\\ \end{aligned}\qquad q\colon \begin{aligned}[t] x& = 4 - k, &
\\y& = 5 + k;\ k\in \mathbb{R}.
\\ \end{aligned}
\]
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