Q3) Find the centers and radius of the spheres in x? + y? + z? + 4x - 4z = 0 x? + y? + z? - 6y + 8z = 0 2r + 2y? + 2z2 + x +y + z 9

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Q3) Find the centers and radius of the spheres in
x? + y? + z? + 4x - 4z = 0
x? + y? + z? - 6y + 8z = 0
2r? + 2y² + 2z² + x + y + z = 9
Q4) Find the angles between the vectors into the nearest
hundredth of a radian.
u = 2i + j. v = i+ 2j – k
u = 2i – 2j + k, v = 3i + 4k
u = V3i – 7j.
= V3i + j – 2k
Transcribed Image Text:Q3) Find the centers and radius of the spheres in x? + y? + z? + 4x - 4z = 0 x? + y? + z? - 6y + 8z = 0 2r? + 2y² + 2z² + x + y + z = 9 Q4) Find the angles between the vectors into the nearest hundredth of a radian. u = 2i + j. v = i+ 2j – k u = 2i – 2j + k, v = 3i + 4k u = V3i – 7j. = V3i + j – 2k
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