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  1. ∫ dx / x sqrt(x+4) u ^2 = x+4 2udu = dx ∫ dx / x sqrt(x+4) = ∫ 2u du / ( u ^2-4) u = ∫ 2 du / ( u ^2-4) = 2 ∫ du/( u +2)( u -2) 1/( u +2)( u -2) = A/( u +2) + B/( u -2) 1 = A( u -2) + B( u +2) equate the...

    2 Answers · Science & Mathematics · 06/08/2010

  2. u cant know 100%.. well, to know for sure, ask him directly. but to try to be sure abt his feelings, try the following: u knw he likes u back if: -he txts u bak wenever u txt him..thus...

    7 Answers · Family & Relationships · 22/12/2006

  3. [1] What color hair do u have? Dark brown. (: [2] What color eyes do u have? Once...15 pull-ups/chin-ups? Yessir. [6] What kinda pizza do u like? You know ;] the good stuff. [7] Are u outgoing? Sometimes...

    40 Answers · Entertainment & Music · 07/08/2009

  4. sec [ arctan( u ) + arccos(v)] let arctan( u ) = A tan A = u ==> opposite side = u and adjacent side = 1, hypotenuse = √( u ^2 + 1) sin A = u / √( u ^2 + 1) ------(1) and cos A = 1 / √( u ^2 + 1...

    1 Answers · Science & Mathematics · 27/07/2010

  5. I'll let P( u ) denote the projection of u along V and O( u ) = u - P( u ). ...let be the dot product. We want to show, for all w in V, that (O( u ),w) = ( u -P( u ),w) = (( u -v),w) = 0. Well, how do we find v? v ...

    1 Answers · Science & Mathematics · 23/01/2009

  6. ( u /5) + ( u /10) - ( u /6) = 1 First thing I would do is multiply everything by 30 to get rid of all the fractions 6u + 3u - 5u = 30 9u - 5u = 30 4u = 30 u =30/4=7.5 _/

    1 Answers · Education & Reference · 24/08/2008

  7. u x v=(u2v3-u3v2)i+(u3v1-u1v3)j+(u1v2-u2v1)k u x v=(2*0-3*1)i+(3*0-3*0)j+(-3*1-2*0) =(-3,0,-3) To show that u ...

    1 Answers · Science & Mathematics · 18/03/2012

  8. || u || = √(( u _1)² + ( u _2)² + ( u _3)²) where u = ( u _1, u _2, u _3) = (2, -2, 3...3)² + (4)²) ||v|| = √(1 + 9 + 16) ||v|| = √(26) || u || + ||v|| = √(17) + √(26) || u + v|| = √(( u +v_1)² + ( u +v_2...

    1 Answers · Science & Mathematics · 27/05/2009

  9. u - 2/3 = - 4/3 u - 3/5 Multiply everything by 15(the GCM of 3 and 5) you get 15u -10= -20u -9 15u+20u= -9 +10 35u=1 u =1/35

    3 Answers · Science & Mathematics · 08/03/2012

  10. sin( u ) = 4/5 = y/z x^2 + y^2 = z^2 x^2 + 4...x^2 = 25 - 16 x^2 = 9 x = 3 1) cos( u ) = x/z = 3/5 <==== positive since... to take the positive root. sin( u /2) = + √( (1-cos u )/2 ) sin( u /2) = √( (1- (3...

    3 Answers · Science & Mathematics · 17/08/2011

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