I have a question on a mock paper which I cannot work out. I know the answer to b is 2. The answer to C is -6. But I don't know why.
The curve C has equation y=kx^3-x^3+x-5 where k is a constant. The point A with x co-ordinate -1/2 lies on C. The tangent to C at A is a parallel to the line with equation 2y-7x+1=0.
b. Find k c. Find the value of the y co-ordinate of A.
I swear to God I will kiss your feet if you can show me the working of b or/and c.
------- 5678
10:44 am on Nov. 21, 2008 | Joined Sep. 2008 | 89 Days Active Join to learn more about tickEngland, United Kingdom | BisexualFemale | 332 Posts | 1349 Points
Amb3rLynn
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i dunno?
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10:45 am on Nov. 21, 2008 | Joined Sep. 2008 | 31 Days Active Join to learn more about Amb3rLynnNevada, United States | Label FreeFemale | 592 Posts | 1069 Points
littlestoxie
Professional
Boy. do I ever feel dumb.
------- Backwards this read to enough dumb were you if signature your as this Put
10:45 am on Nov. 21, 2008 | Joined June 2008 | 103 Days Active Join to learn more about littlestoxieOntario, Canada | StraightFemale | 933 Posts | 2102 Points
( tick )
Dairy Product Addict
Why the fuck do you reply if you don't know... How irksome.
------- 5678
10:46 am on Nov. 21, 2008 | Joined Sep. 2008 | 89 Days Active Join to learn more about tickEngland, United Kingdom | BisexualFemale | 332 Posts | 1349 Points
Catacomb
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do you still need help
------- your soles lead, your soul heels and follows
12:53 pm on Nov. 22, 2008 | Joined Sep. 2008 | 99 Days Active Join to learn more about CatacombIvory Coast | 8508 Posts | 10301 Points
No, but will gladly accept anybody else's verification of my working out.
------- 5678
4:23 pm on Nov. 22, 2008 | Joined Sep. 2008 | 89 Days Active Join to learn more about tickEngland, United Kingdom | BisexualFemale | 332 Posts | 1349 Points
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