If x1 =-1, x2 5, x3, = 2, x4 = 6, complete the following summations: a. E3x 3x,3x2,3x3.3x4 3(-1) + 3(5) + 3(2) + 3(6).-3+15+6+18=36 b. Ex? c. E(x?) d. x е. f.
If x1 =-1, x2 5, x3, = 2, x4 = 6, complete the following summations: a. E3x 3x,3x2,3x3.3x4 3(-1) + 3(5) + 3(2) + 3(6).-3+15+6+18=36 b. Ex? c. E(x?) d. x е. f.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:3. If x1=-1, x2 = 5, x3, = 2, x4 = 6, complete the following summations:
a. E 3x 3x1,3x2.3x3,3x4 = 3(-1) +3(5) +3(2) + 3(6).-3+15+6+18-36
%3D
b. Σx
%3D1
c. E(x?)3
d. E, x
е.
f.
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