Let A= {x, y}: x <0, or x 0 and y 0}. a. If f: AR and
Question:
a. If f: A→R and D1f =D2f = 0, show that f is a constant.
b. Find a function f: A→R such that D2f =0 but f is not independent of the second variable.
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Related Book For
Introduction to Probability
ISBN: 9780716771098
1st edition
Authors: Mark Daniel Ward, Ellen Gundlach
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