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I = (2V/R) + 2r I - (2V/R) = 2r r = (1/2) * [I - (2V/R... - IR r = (2V - IR) / 2I r = (V/I) - (R/2)
3 Answers · Science & Mathematics · 16/01/2014
C=K(Rr/R-r) Divide both sides by K: C/K = (Rr... = Cr/K Extract R: R(C/K - r) = Cr/K Divide both sides by (C/K - r...
4 Answers · Education & Reference · 05/10/2009
If f is a *surjective* homomorphism from R to R' then R/ker(f) and R'...ker(f) to f(x) is an isomorphism--- so, in particular, R/ker(f) is isomorphic to f(R). But...
1 Answers · Science & Mathematics · 24/07/2011
r-(13/3)=(3/2) r=(3/2)+(13/3) r=(9/6)+(26/6) r=35/6 r=5.8333 or 5 and 5/6
3 Answers · Science & Mathematics · 06/11/2009
r+4/r^2-1 × r^2-16/r+1 = (r^3 + 4 - r^2)/r^2 x (r^3 - 16 + r)/r = 1/r^3 x (r^3 + 4 - r^2) x (r^3 - 16 + r) = 1/r^3 x [r^3 x (r^3 - 16 +r) + 4 x (r^3 - 16 +r) - r^2 x (r^3 - 16 +r...
1 Answers · Education & Reference · 18/03/2014
|r+s|^2 = (r+s) dot (r+s) = |r|^2 + 2 (r dot s) + |s|^2 Given |r| = 5, and |s| = 3 we have: = 5^2 + 2 (r dot s) + 3^2 = 34 + 2 (r dot s) since s is perpendicular to (r+s), s...
2 Answers · Science & Mathematics · 18/02/2015
95.5 = (1/(1+r)) * (29.4/r) = (29.4)/{(1+r)(r)}; (95.5) {(1+r)(r)} = 29.4; {(1+r)(r)} = 29.4/95.5 = 0.30785 r^2 +r = 0.30785 r^2 +r - 0.30785 = note that (r +1/2...
1 Answers · Education & Reference · 13/11/2007
r = <x, y, z>, ||r|| = (x^2 + y^2 + z^2)^(-1/2) So, we need to compute curl <...
4 Answers · Science & Mathematics · 02/03/2011
∫r^-3 ln(r)dr u = lnr ; dv = r^-3dr du = (1/r)dr ; v = (-1/2)r^-2 = (-1/2)r^-2 ln(r) + ∫(1/2...1/2)r^-2 ln(r) + [(-1/4)r^(-2)] integrate from 1 to infinity = (-1/2)r^-2 ln(r) + lim(a->infinity) [(-1/4)r^(-2)] integrate from 1 to a...
2 Answers · Science & Mathematics · 23/10/2011
Hi, The DVD+R and DVD-R are competing ...the formats. However, because the DVD-R format has been in use since 1997, it has...
4 Answers · Consumer Electronics · 22/02/2007