Questions asked by Rocky
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How to find the volume of the region bounded by the curves #z1=x^2+y^2 and z2=1βx^2βy^2# ?
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How to solve this question? Given that: # f(x,y,z)= x^3yz^2#
Find # (partial ^2f)/(partial x^2)# and #(partial^2f)/(partial y^2)#. Show that #(partial^2f)/(partial x partial y)=(partial ^2f)/(partial y partial x)# ?
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Which appropriate trigonometric substitution is needed to evaluate:
#intdx/sqrt(x^6-x^8)#
? Thank you so much in advance! Greetings
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How do you solve the equation π€Μ
Γ<2,0,β2>=<4,0,4> where π€Μ
=<π€1,π€2,π€3> is nonzero with a magnitude of 2?
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What is the dot product π Μ
.πΜ
(numerically) and what does this represent?
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Consider two general three-dimensional vectors π’Μ
and π£Μ
. If the magnitude of π’Μ
Γπ£Μ
is π times larger than the magnitude of π’Μ
. Prove that the magnitude of π£Μ
is greater to or equal to π. How do you solve it?
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A line is inclined at equal angles to all three (x-, y- and z- axes) and passed through the origin. A second line passes through (1,2,4) and (0,0,1). What is the angle between the two lines?
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How to solve the equation π€Μ
Γ<2,0,β2>=<4,0,4> where π€Μ
=<π€1,π€2,π€3> is nonzero with a magnitude of 2?
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How to show the following are true for the two vectors π’Μ
=4π₯π¦πΜ
β2π§πΜ
+(11π₯^3)πΜ
β‘and π£Μ
=(π₯π¦/π§)πΜ
+(3π₯^2)πΜ
+6πΜ
?
a. βΓ(π’Μ
+π£Μ
)=βΓπ’Μ
+βΓπ£Μ
b. β.(π’Μ
+π£Μ
)=β.π’Μ
+β.π£