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The angles between three non-zero and non coplanar vectors a,b and c are α between b and cand β between c and aand γ between a and b.The vector u and v are defined by u=(aXb)Xc;v=aX(bXc).If u is perpendicular to v, then show that eithera is perpendicular to cor cosβ=cosα.cosγ . solution) Given that u=(axb)xc, v=ax(bxc), both the vectors are equal in magnitude because of the associated law, and u.v=0, therefore it must be true that a.c=0, because excluding a and c , b is not situated at right angles so angle between a and c is 90.
what does algorithm refer to
I have an algebra assignment I need help with, you have helped me before.. I need the work shown.
lnx(1+x)
if you have 1/5 of a candy bar and 4 friends how much will they get
three times the first of the three consecutive odd integers is 3 more than twice the third integer. find the third integer.
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If the vertices of a triangle are (1, k), (4, -3), (-9, 7) and its area is 15 sq units, find the value(s) of k..
Example: Find out the radius of convergence for the following power series. Solution : Therefore, in this case we have, a n = ((-3) n )/(n7 n+1 ) a n+1 = (
Describe and sketch the surfaces z + |y| = 1 and (x 2) 2 y + z 2 = 0.
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