# Yahoo Web Search

1. ### compute d/dt ( u (t).v(t)) and d/dt ( u (t). u (t)?

u (t).v(t) = <-sqrt(t) sint, t, t^(2/3)>.<-sqrt(t) sint, cos^2 t, -t^(1/3)>. u (t).v(t) = t*sin^2(t) + t*cos^2(t) - t = t - t = 0 (d/dt)[ u (t).v(t)] = 0 u (t...

1 Answers · Science & Mathematics · 19/07/2009

2. ### Algebra 1 Math;; Help Me Solve for u ?

u ^2 + 8u + 7 = 0 ( u + 7)( u + 1) = 0 Then u has to equal what's in the parentheses set equal to zero: u + 7 = 0 and u + 1 = 0 u = -7 and u = -1

3 Answers · Science & Mathematics · 06/04/2011

3. ### use definition to find the derivative of the following function r( u ) = u ^2 / ( u -2)?

[( u + h)²/( u + h + 2) - u²/( u + 2)]/h = [(u² + 2uh + h²)/( u + h + 2) - u²/( u + 2)]/h ...

1 Answers · Science & Mathematics · 01/06/2013

4. ### solve ( u +6)^2 -64 = 0?

( u +6)² - 64 = 0 ( u + 6)² = 64 ( u + 6) = ± 8 u = 2, -14 Answer: u = 2 or u = -14

4 Answers · Science & Mathematics · 07/05/2011

5. ### Anti-derivative of √(2/((1- u ^2 ) )+1/(1- u )^2 +1/(1+ u )^2 )?

Hello, ∫ √{[2 /(1 - u²)] + [1 /(1 - u )²] + [1 /(1 + u )²]} du = let's rearrange the radicand... to the rule a² + 2ab + b² = (a + b)²) ∫ √{[1 /(1 + u )] + [1 /(1 - u )]}² du = ∫ | [1 /(1 + u )] + [1 /(1 - u )] | du = (distinguishing...

1 Answers · Science & Mathematics · 06/10/2016

6. ### IF I be in JROTC for High Shool what benifets will I get for the U .S Army.?

U be lernin not to speek and rite like a ghetto thug then u be getun sum rank 4 it wen u figer da yeers u do in da JROTC. dat b it

2 Answers · Politics & Government · 02/05/2012

7. ### http://www.hyper-ad.com/tutoring/math/usub.htmExample 6,how come u times u ^-(1/2) = u ^-(3/2).?

u = u ^1; u * u ^(1/2) = u ^(1+1/2)= u ^(3/2) x^2 - 1 = u ; du = 2xdx x² = u +1 Int X^5 sqrt(x^2 - 1) dx Int x^4 √(x²-1) x dx = (1/2) Int ( u +1)²√ u du .. x dx = du/2 = (1/2) ...

1 Answers · Science & Mathematics · 21/06/2008

8. ### On, myspace how do u get the flasing pic?

u just need to go to a website called gifszone.com then u look for wat u like then u copy the code then u paste in on your profile by cliking edit profile

3 Answers · Computers & Internet · 16/09/2006

9. ### U substitution?

you should replace the x in the numerator with x = ( u -1) /2 from u =1+2x your integral becomes (1/4) .∫ { ( u -1) / sqrt...

2 Answers · Science & Mathematics · 11/03/2008

10. ### Is there anyone who is 12 or close then how old are u and where r u from.?

u a freaking wierd i think u have to man sick thoughts on your head i bet u are looking for some freaking 12 year old to rap git a life ok they are freaking 12 why do u care!!!