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0 votes
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in Applications of Differential Calculus by (46.9k points)
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If the normal to the curve x2/3 + y2/3 = a2/3 makes an angle θ with the x – axis then the slope of the normal is …

(a) – cot θ 

(b) tan θ 

(c) – tan θ 

(d) cot θ

1 Answer

+1 vote
by (49.1k points)
selected by
 
Best answer

(b) tan θ

Since the normal to the curve makes an angle θ with the x axis. 

Slope of the normal = tan θ

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