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 Answe

**r**s · 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 5/63 Answe

**r**s · 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 Answe

**r**s · 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 Answe

**r**s · Science & Mathematics · 18/02/201595.5 = (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 Answe

**r**s · 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 Answe

**r**s · Science & Mathematics · 02/03/2011∫

**r**^-3 ln(**r**)d**r**u = ln**r**; dv =**r**^-3d**r**du = (1/**r**)d**r**; v = (-1/2)**r**^-2 = (-1/2)**r**^-2 ln(**r**) + ∫(1/2...1/2)**r**^-2 ln(**r**) + [(-1/4)**r**^(-2)] integ**r**ate f**r**om 1 to infinity = (-1/2)**r**^-2 ln(**r**) + lim(a->infinity) [(-1/4)**r**^(-2)] integ**r**ate f**r**om 1 to a...2 Answe

**r**s · Science & Mathematics · 23/10/2011Hi, 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 Answe

**r**s · Consumer Electronics · 22/02/2007**r**solves x^2 + ax + b = 0 =>**r*****r**+ a***r**= -b => (**r**+a)***r**= -b Since**r**,a are integers, -b is an integer multiple of**r**, and so is b, hence**r**divides b.3 Answe

**r**s · Science & Mathematics · 03/02/2013Hello, The DVD+

**R**and DVD-**R**are competing ...the formats. However, because the DVD-**R**format has been in use since 1997, it has...2 Answe

**r**s · Consumer Electronics · 12/02/2008

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