MCQ
રેખાઓ $2x = 3y = - z$ અને $6x = - y = - 4z$ વચ્ચેનો ખૂણો ......... $^o$ મેળવો.
- A$0$
- B$30$
- C$45$
- ✓$90$
and $\frac{x}{2} = \frac{y}{{ - 12}} = \frac{z}{{ - 3}}$
Since, ${a_1}{a_2} + {b_1}{b_2} + {c_1}{c_2} = 6 - 24 + 18 = 0\,\, $
$\Rightarrow \,\,\theta = {90^o}$.
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