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f (x) = -ax^2 + bx f ' (x) = -2ax + b <== f (x) is max or min when f ' (x) = 0 -2ax + b = 0 x = b / 2a . . . maximum at (3,1) b / 2a = 3 6a - b = 0 <=== equation one 1 = - a * 3^2 + b * 3 1 = - 9a + 3b 9a - 3b = -1 <=== equation two Two equations...
1 Answers · Science & Mathematics · 03/12/2013
I get that this triangle has an area of 60 units^2, not 45 cm^2 (as you say) nor 18.5 cm^2 (as the answer the book gives), so your coordinates for A, C, and/or P are wrong or something. If it is given that L1...
1 Answers · Science & Mathematics · 23/12/2011
Let ∠ ACP =θ then by simple geometry ∠APC=141−θ , ∠ABP=2θ−51 and ∠...
2 Answers · Science & Mathematics · 28/11/2016
.. C .. |\ angle ACP = z. .. |-\ w|--\ ...|----\ .. |-----\------ ..A. x P ...B...
2 Answers · Science & Mathematics · 12/01/2011
.. C .. |\ angle ACP = z. .. |-\ w|--\ ...|----\ .. |-----\------ ..A. x P ...B...
3 Answers · Science & Mathematics · 13/01/2011
.. C .. |\ angle ACP = z. .. |-\ w|--\ ...|----\ .. |-----\------ ..A. x P ...B...
2 Answers · Science & Mathematics · 30/08/2011
(a) In the triangles ABP, ACP : AB = AC (sides of triangle ABC opposite equal angles...
1 Answers · Science & Mathematics · 05/02/2010
.. C .. |\ angle ACP = z. .. |-\ w|--\ ...|----\ .. |-----\------ ..A. x P ...B...
2 Answers · Science & Mathematics · 26/12/2010
.. C island .. |\ angle ACP = z. .. |-\ w|--\ ...|----\ .. |-----\------ ..A. x P ...B...
2 Answers · Science & Mathematics · 26/01/2011
.. C island .. |\ angle ACP = z. .. |-\ w|--\ ...|----\ .. |-----\------ ..A. x P ...B...
2 Answers · Science & Mathematics · 26/01/2011
