Search results

  1. puffynutty

    What uai do you have to get to be a neurosurgeon

    i don't know where to post the question. what uai score do you have to get to be a neurosurgeon, pilot and engineer
  2. puffynutty

    estimation of roots Qs

    1. Take 0.5 as a first approximation for <!--[if gte mso 9]><xml> <u1:WordDocument> <u1:View>Normal</u1:View> <u1:Zoom>0</u1:Zoom> <u1:TrackMoves/> <u1:TrackFormatting/> <u1:PunctuationKerning/> <u1:ValidateAgainstSchemas/> <u1:SaveIfXMLInvalid>false</u1:SaveIfXMLInvalid>...
  3. puffynutty

    Past HSC mathematical induction q's

    1. Use mathematical induction to prove that for all integers n≥3 (1-2/3)(1-2/4)(1-2/5)...(1-2/n) = 2/n(n-1) <link rel="File-List" href="file:///C:%5CUsers%5CPrue%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_filelist.xml"><link rel="themeData"...
  4. puffynutty

    Past HSC Parametric equations and locus Q's

    1.The line AT is the tangent to the circle at A, and BT is a secant meeting at B and C.<o></o> <o></o> (i)Write 8 cos x+ 6sinx in the form Acos(x -α), where A > 0 and 0 ≤ α ≤ π/2<o></o> <o></o> (ii) Hence, or otherwise, solve the equation 8cosx + 6sinx = 5 for 0 ≤ x ≤ 2π<o></o> Give...
  5. puffynutty

    Estimatio of Roots Q's

    1.i) Show that f(x)=e^x-3x^2 has a root between x=3.7 and x= 3.8 ii) Starting with x=3.8, use one application of Newtons method to find a better approximation for this root. 2.The function f(x)=sinx-2x/3 has a zero near x=1.5. Taking x=1.5 as a first approximation, use one application of...
  6. puffynutty

    Mathematical Induction Q's

    I got a few past hsc questions which i have been doing, but i don't know if i've been doing them correctly as i don't have the answers. 1. Use the principle of mathematical induction to show that 2x1!+5x2!+10x3!+…+(n²+1)n!=n(n+1)! For all integers positive n. 2.Use Mathematical...
  7. puffynutty

    Parametric equations and locus Q's

    1. The variable point ( 3t, 2t 2 ) lies on a parabola. Find the Cartesian equation for this parabola. 2.A curve has parametric equations x = t/2 , y = 3t² . Find the Cartesian equation for this curve.
Top