How do you find the equation of the

Angelina Proctor

Angelina Proctor

Answered question

2022-04-14

How do you find the equation of the tangent and normal line to the curve y=1+x23 at (0,1)?

Answer & Explanation

xxkrnjangxxed9q

xxkrnjangxxed9q

Beginner2022-04-15Added 14 answers

Usually we would use the form given in the above answer:
y=mx+1
Compute y'(x):
y(x)=23x13
Evaluate at the x coordinate:
mt=y(0)=23(0)13
But we have an exception to the procedure. Please observe that that the evaluation causes a division by 0, which implies that the tangent is the vertical passing the point (0,1)
Therefore, the tangent is the line, x=0
The procedure for the normal line is similar.
y=mx+1
Compute y'(x):
y(x)=23x13
Evaluate at the x coordinate:
mn=1y(0)=1(23)013=0
Substitute 0 for the slope:
y=1

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