Straight Line Question 336
Question: If the equation $ y=mx+c $ and $ x\cos \alpha +y\sin \alpha =p $ represents the same straight line, then
Options:
A) $ p=c\sqrt{1+m^{2}} $
B) $ c=p\sqrt{1+m^{2}} $
C) $ cp=\sqrt{1+m^{2}} $
D) $ p^{2}+c^{2}+m^{2}=1 $
Correct Answer: B $ \Rightarrow $ $ c=p\sqrt{1+m^{2}} $ .Show Answer
Answer:
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