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  1. L

    Simple Question?

    Find the equation of the curve passing through (1,4) if its gradient function if given by y = x^3 - 3x^2 + 5
  2. L

    Atar Estimate.

    Found it: School Rank - 340th
  3. L

    Atar Estimate.

    Standard English - 5/109 2U Maths - 9/11 Biology - 2/32 Chemistry - 1/8 Business Studies - 17/42
  4. L

    Solving Trig Equations

    Solve for 0 < x < 2Pie Cos 2x = Cos x Tan^2 x - 1 = 0 Solve for -Pie < x < Pie Cos^2 x - Sinx = -1 Sin^3 x - Sinx = 0
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    Min, Max and Trapezoidal Help!

    Q11. A) Find the turning points on the curve y = sin2x + 3 over the domain 0<x<Pie b) What is the maximum value of the curve. Q16. Use the trapezoidal rule with 4 subintervals to find, correct to 3 decimal places, an approximation to the volume of the solid formed by rotating the curve y = sin...
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    Trigonometric Functions Help.

    I dont understand this step.
  7. L

    Trigonometric Functions Help.

    Q4. Find the equation of the tangent to the curve y = sin (Pie - x) at the point (Pie/6 , 1/2), in exact form. I have trouble with the exact form part.
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    English Assessment Task Help!

    Hello Guys, This is my second assessment task for English which is a speaking task and I have some difficulties with it. I have noted down everything that I am intending to write but have trouble starting. Could someone please help me with the structure of my speech? Also what are 'visual...
  9. L

    Length of Arc

    I didn't understand what he did, But I understand now.
  10. L

    Length of Arc

    I don't get this part.
  11. L

    Length of Arc

    Q9. A circle has a chord 25mm with an angle of (Pie)/6 subtended at the centre. Find the length of the arc cut off by the chord. Q10. A Sector of a circle with radius 5cm and an angle of (Pie)/3 subtended at the centre is cut out of cardboard. It is then curved around to form a cone. Find its...
  12. L

    Examine's 2u horrors

    How to differentiate: Y = Log 1 / (2x-3)
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    What are Visual techniques?

    Hey Guys, At school I am currently doing the Distinctively Visual with the text being 'The Loaded Dog' My teacher has asked me to find 'Visual' Techniques/quotes. I dont really understand what Visual Techniques/Quotes are, can someone give me an example of a Visual Quote from 'The Loaded Dog'?
  14. L

    Log Help.

    If log2 = 0.6 and log3 = 1.2 find: (c) log1.5b^2 All logs have base b
  15. L

    What is everyone up to?

    Blue Print Of Life, Section 4
  16. L

    Integration and Logarithmic Help!

    Hey Guys, I am just having trouble making X the subject in these questions. Q10. Find the Area between the curve y=lnx, the y-axis and the lines y=2 and y=4, correct to 3 significant figures. Q11. Find the exact volume of the solid formed when the curve y=logx is rotated about the y-axis from...
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    Equilibrium and Volume?

    Hey Guys, I was reading through "Students Guide to HSC Chemistry" when I came across this volume explanation that really confused me. Under dot point 2.2.4 'Identify factors which can affect the equilibrium in a reversible reaction.' This is taken directly from"Students Guide to HSC Chemistry"...
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    Log Differentiation and Equation Help!!

    The following question are from Maths In Focus 2 Unit Book. I struggle to find the equation of the Tangent/Normal as they do not provide a Y value. Exercise 5.7 Q5. Find the equation of the tangent to the curve y=log(x-1) at the point where x=2. Q7. Find the exact equation of the normal to the...
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    Trapezoidal Question - Help!

    The Integral from 1 to 9 of f(x) dx, where values of f(x) are given in the table: X 1, 3, 5, 7, 9 f(x) 3.2, 5.9, 8.4, 11.6, 20.1
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    Highest pay/demand engineers?

    What Atar is needed for Chemical Engineering and what are the requirements?
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