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NEED HELP WITH ADDITIONAL MATHEMATICS
- Thread starter Kdhash
- Start date
- Messages
- 52
- Reaction score
- 9
- Points
- 8
3x+c=x^2+9x+k
x^2+6x+k=0
as line is tangent b^2-4ac=0
6^2-(4*1*k-c)
36-4k+3c=0
4k=36+4c
k=9+c
x^2+6x+k=0
as line is tangent b^2-4ac=0
6^2-(4*1*k-c)
36-4k+3c=0
4k=36+4c
k=9+c
how did u get 3c
- Messages
- 52
- Reaction score
- 9
- Points
- 8
ooops!!!!!its actually 4c sry!!!!!
- Messages
- 28
- Reaction score
- 43
- Points
- 13
what about question number 4 or 5, the one about d/dx of x^2lnx, hence
⌠
⌡ xlnx dx???
⌠
⌡ xlnx dx???