* 0 ☆ T 7.3. Show that (a). f(z) = x - iy² is differentiable only at y = -1/2 and f'(z) = 1, (c). f(z) = yx + iy2 is differentiable only at x = y = 0 and f'(z) = 0,

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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7.3. Show that
(a). f(z) = x - iy² is differentiable only at y = -1/2 and f'(z) = 1,
(c). f(z) = yx + iy2 is differentiable only at x = y = 0 and f'(z) = 0,
Transcribed Image Text:* 0 ☆ T 7.3. Show that (a). f(z) = x - iy² is differentiable only at y = -1/2 and f'(z) = 1, (c). f(z) = yx + iy2 is differentiable only at x = y = 0 and f'(z) = 0,
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