Consider the following mappings on RXR: * d1(1, y) = e²=y, d2 = |2r - 2y). and d3 = V12r – yl. %3D Both d1 and d2 are metrics on R. O None of the choices. O Both d2 and d3 are metrics on R. O Only d2 is a metric on R.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Consider the following mappings on RXR: *
d1(r, y) = e2-v
d2 = |2r- 2y. and d3 v2r-y-
Both d1 and d2 are metrics on R.
None of the choices.
Both d2 and d3 are metrics on R.
OOnly d2 is a metric on R.
Transcribed Image Text:False Consider the following mappings on RXR: * d1(r, y) = e2-v d2 = |2r- 2y. and d3 v2r-y- Both d1 and d2 are metrics on R. None of the choices. Both d2 and d3 are metrics on R. OOnly d2 is a metric on R.
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