Straight Line Question 281
Question: The parallelism condition for two straight lines one of which is specified by the equation $ ax+by+c=0 $ the other being represented parametrically by $ x=\alpha t+\beta , $ $ y=\gamma t+\delta $ is given by [AMU 2000]
Options:
A) $ \alpha \gamma -b\alpha =0 $ , $ \beta =\delta =c=0 $
B) $ a\alpha -b\gamma =0 $ , $ \beta =\delta =0 $
C) $ a\alpha +b\gamma =0 $
D) $ a\gamma =b\alpha =0 $
Correct Answer: C
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Answer:
Solution:
BETA
