Q5. Prove that the circle {(x, y), x² + y² = 1} is not homeomorphic to the interval [-1, 1].

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Q5. Prove that the circle {(x, y), x² + y? = 1} is
not homeomorphic to the interval [-1, 1].
Transcribed Image Text:Q5. Prove that the circle {(x, y), x² + y? = 1} is not homeomorphic to the interval [-1, 1].
Q6. Given M = {(x, y), 1 < x² + y² < 4} C R².
(a) Determine dM and ƏM.
(b) Is M connected? Pathwise connected? Justify.
(c) Let N
Is N = M ? prove your answer.
{(x, y), x² + y² < 4}.
Transcribed Image Text:Q6. Given M = {(x, y), 1 < x² + y² < 4} C R². (a) Determine dM and ƏM. (b) Is M connected? Pathwise connected? Justify. (c) Let N Is N = M ? prove your answer. {(x, y), x² + y² < 4}.
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