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  f(x)=ax3+bx2+cx+dsin x. Findthe condition that f(x) is always injective function. 2. Let f: X→Y be a function defined by f(x)= a sin(x+pi/4)+b cos x+c.If f(x) is bijective,find X. ...
  0·9· #Mathematics#Calculus
  replied2011-12-22 01:59:30
• Quite Shocking Result
  suppose *Image* now method 1, L=\lim_{x\rightarrow \propto } \frac{1-sinx/x}{1+sinx/x} since (sinx /x) →0 L=1 now method 2, using L Hospital rule ( for ∞/∞ form) , L=\lim_{x\rightarrow \propto } \frac{1-cosx}{1+cosx} L= ...
  0·5· #Mathematics#Calculus
  replied2011-09-04 07:59:28
• Test:26 QNo:9
  Two sides of a square lie on lines 3x+4y=1 and 3x+4y=6, find the area. ...
  0·5· #Miscellaneous#Disucss Test Questions
  replied2011-07-17 07:41:25