http://community.boredofstudies.org en Sat, 21 Nov 2009 07:47:14 GMT vBulletin 60 http://community.boredofstudies.org/images/misc/rss.jpg http://community.boredofstudies.org http://community.boredofstudies.org/showthread.php?t=229296&goto=newpost Sat, 21 Nov 2009 07:29:12 GMT Where can I buy this book by J.B Fitzpatrick? I haven't seen it in any of the major bookstores. Heard it's a very good book. Anyone know where I could pick one up? ]]> Mathematics 0bs3n3 http://community.boredofstudies.org/showthread.php?t=229296 http://community.boredofstudies.org/showthread.php?t=229223&goto=newpost Fri, 20 Nov 2009 09:15:31 GMT Hey can someone advise me of a good maths book in which HSC trial and actual thing style questions are there for each topic. Thanks in advance :) Hey
can someone advise me of a good maths book in which HSC trial and actual thing style questions are there for each topic.

Thanks in advance :) ]]> Mathematics Nadiaa http://community.boredofstudies.org/showthread.php?t=229223 http://community.boredofstudies.org/showthread.php?t=229052&goto=newpost Thu, 19 Nov 2009 01:26:46 GMT f(x)=(sinx)/x , find f'(x) and hence show f(x) is monotomic decreasing between 0 and pi/2
wat do u do after finding 1st derivative?? ]]> Mathematics raymond123 http://community.boredofstudies.org/showthread.php?t=229052 http://community.boredofstudies.org/showthread.php?t=228995&goto=newpost Wed, 18 Nov 2009 08:30:19 GMT 1. The interval joining the points A(-1,7) and B(5,2) is divided by a point P(x,y) in the ratio k:1. The point P lies on the line 5x-4y=1. Find the value of k. 2. Given sinθ=0.4 and θ is acute, write down the exact values of: b) cos(270-θ) d) cot(360-θ) 3. Solve for -180°≤θ≤180°... 1. The interval joining the points A(-1,7) and B(5,2) is divided by a point P(x,y) in the ratio k:1. The point P lies on the line 5x-4y=1. Find the value of k.

2. Given sinθ=0.4 and θ is acute, write down the exact values of:
b) cos(270-θ)
d) cot(360-θ)

3. Solve for -180°≤θ≤180°
i) cosθ=0.187
iii) 4sinθ+3=0

Thanks! ]]> Mathematics Mudkip94 http://community.boredofstudies.org/showthread.php?t=228995 http://community.boredofstudies.org/showthread.php?t=228878&goto=newpost Tue, 17 Nov 2009 08:06:50 GMT Hey guys Could someone please show me how to do these differentiation questions. I know the basics but these are out of my league... (1) Image: http://www.mathhelpforum.com/math-help/latex2/img/a0e4e367c819662c65fe76dacd2d6081-1.gif (http://www.mathhelpforum.com/math-help/JSREPL20413:;) ... Hey guys

Could someone please show me how to do these differentiation questions. I know the basics but these are out of my league...

(1)

(2) ]]> Mathematics xwrathbringerx http://community.boredofstudies.org/showthread.php?t=228878 http://community.boredofstudies.org/showthread.php?t=228857&goto=newpost Tue, 17 Nov 2009 06:05:27 GMT Adding, subtracting, Multiplying and dividing time is hard for me, i need it daily and still dont know how to do this theory. please teach... Adding, subtracting, Multiplying and dividing time is hard for me, i need it daily and still dont know how to do this theory. please teach... ]]> Mathematics JokerD http://community.boredofstudies.org/showthread.php?t=228857 http://community.boredofstudies.org/showthread.php?t=228753&goto=newpost Mon, 16 Nov 2009 08:39:47 GMT help needed on these questions: a)Find the coordinates of the point on the curve y=8x-x^{2} where the normal is parallel to the line x+2y-5= 0 b) The normal to the curve y=1/8x^(2) at P(2,1/2) meets the curve again at Q. Find the coordinates of Q. thanks :) help needed on these questions:

a)Find the coordinates of the point on the curve y=8x-x^{2} where the normal is parallel to the line x+2y-5= 0

b) The normal to the curve y=1/8x^(2) at P(2,1/2) meets the curve again at Q. Find the coordinates of Q.

thanks :) ]]> Mathematics BHS10 http://community.boredofstudies.org/showthread.php?t=228753 http://community.boredofstudies.org/showthread.php?t=228293&goto=newpost Thu, 12 Nov 2009 10:16:57 GMT just wondering if anyone could help explain the difference between the two? :) cheers. so say for y=(x-1)^3 and you find the first deriv and make it equal zero and x=1 and there is no change in concavity, how do you know if its a point of inflexion or horizontal point of inflexion. just wondering if anyone could help explain the difference between the two?
:)

cheers.

so say for y=(x-1)^3
and you find the first deriv and make it equal zero and x=1
and there is no change in concavity, how do you know if its a
point of inflexion or horizontal point of inflexion. ]]> Mathematics izzy_xo http://community.boredofstudies.org/showthread.php?t=228293 http://community.boredofstudies.org/showthread.php?t=228141&goto=newpost Wed, 11 Nov 2009 07:19:17 GMT consider the graph of y=x^3-mx^2+3x For what values of m will the graph have two distinct stationary point? andd does d/dx(3x-1)^6 just mean find the first deriv of (3x-1)^6? Thanks in advance. consider the graph of y=x^3-mx^2+3x


For what values of m will the graph have two distinct stationary point?


andd does d/dx(3x-1)^6 just mean find the first deriv of (3x-1)^6?

Thanks in advance. ]]> Mathematics izzy_xo http://community.boredofstudies.org/showthread.php?t=228141 http://community.boredofstudies.org/showthread.php?t=227662&goto=newpost Sat, 07 Nov 2009 17:47:13 GMT check out #24, im having problems evaluating the ln(1-a) part cause i know that i cant do ln(0) correct? Image: http://i669.photobucket.com/albums/vv59/johnkembles/img060-2.jpg THANKS check out #24, im having problems evaluating the ln(1-a) part cause
i know that i cant do ln(0) correct?



THANKS ]]> Mathematics helpplease http://community.boredofstudies.org/showthread.php?t=227662