I'll use subscript notation for brevity, i.e. .
By the chain rule,
We have
and
When , we have
and the partial derivatives take on values of
So we end up with
Which of the following is an example of perpendicular lines? I'm thinking it's B, but not sure
2 answers:
Answer:
Second figure is an example of perpendicular lines.
Step-by-step explanation:
The perpendicular lines are those that forms at the base of the vertical line.
The straight lines denotes the angle
The first figure is not correct both are intersecting tilted lines.
The second figure is correct since they form right angle that is angle.
The third figure is again tilted lines hence, not correct.
The fourth figure is again tilted lines hence, not correct.
therefore, second figure is correct.
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