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**r**=1, n} 1= n ∑ _{**r**=1, n}**r**= (n+1)·n/2 ∑ _{**r**=1, n}**r**²= n·(n+1)·(2n+1)/6 ==>...2n**r**+**r**² -n -**r**) = (n²-n)·∑ _{**r**=1, n} 1 + (2n-1)· ∑ _{**r**=1, n}**r**+ ∑ _{**r**=1, n}**r**² = (n²-n)·n + (2n-1)·(n...1 Answe

**r**s · Science & Mathematics · 26/07/2009**R**=4x^2+8x C=x^2+2x**R**-C= 3x^2+6x (**R**-C)'= 6x+6 (**R**-C)"= 6 Now (**R**-C...2 Answe

**r**s · Science & Mathematics · 13/09/2013|

**r**(t)| = constant implies that 1.**r**(t) either doesn't change with t,**r**'(t)=0 or 2. its...would change also by the triangle inequality. In either case since 1.**r**'(t)=0 or 2.**r**(t) dot**r**'(t) =**r**(t)**r**'(t)cos(90) = 0...1 Answe

**r**s · Science & Mathematics · 17/04/2015**r**^2+3r-2 = 0 Factorize the equation. then (**r**+1)(**r**-3) = 0 Therefore,**r**= -1 & 33 Answe

**r**s · Science & Mathematics · 14/10/2008**R**' or also known as**R**-prime can, but doesn't always have to be the original**R**. It's there to show you that you can place any other alkane substitute in that...3 Answe

**r**s · Science & Mathematics · 24/04/20100.2 +

**r**= 0.2**r**− 0.06 + 0.3**r**Fist, let's simplify the**r**ight side side:**r**+ 0.2 = 0.5**r**− 0.06 Next, isolate**r**and simplify. (**r**+ 0.2) - 0.5**r**- 0.2...12 Answe

**r**s · Science & Mathematics · 16/10/2007... consists of:

**r**= radius measure(magnitude) theta = angle measure(... ( a , ib) is now (**r***cos(theta) ,**r***sin(theta) Finally: your answer...2 Answe

**r**s · Science & Mathematics · 31/05/2008description of

**r**: look at the figure where potential is required at point P ...)----------------------. (P) .... <-----------**r**--------->**r**& Q are given k = 8.987 X 10^9 N...3 Answe

**r**s · Science & Mathematics · 01/02/2011I = (2V/

**R**) + 2r I - (2V/**R**) = 2r**r**= (1/2) * [I - (2V/**R**... - IR**r**= (2V - IR) / 2I**r**= (V/I) - (**R**/2)3 Answe

**r**s · Science & Mathematics · 16/01/2014C=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 Answe

**r**s · Education & Reference · 05/10/2009

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