QUESTION 3 a) Given the double integral [[√x+1 Vx +1 dxdy . NKI i) Sketch the region of integration. ii) Evaluate the integral by reversing the order of integration.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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QUESTION 3
a) Given the double integral
/x +1 dxdy .
i) Sketch the region of integration.
ii) Evaluate the integral by reversing the order of integration.
b) A constant density planar lamina is bounded by a circle x² + y² =9, the line x + y = 0
and the y-axis as in Figure 1. Determine the center of mass (x,y), given the mass is
9π
8
x² + y² = 9
+
x+y=0
-2
Figure 1
Transcribed Image Text:QUESTION 3 a) Given the double integral /x +1 dxdy . i) Sketch the region of integration. ii) Evaluate the integral by reversing the order of integration. b) A constant density planar lamina is bounded by a circle x² + y² =9, the line x + y = 0 and the y-axis as in Figure 1. Determine the center of mass (x,y), given the mass is 9π 8 x² + y² = 9 + x+y=0 -2 Figure 1
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