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Limits And Derivatives Free Doubts and Solutions

Kerala - XI Science - Mathematics - Limits and Derivatives

Find the derivative of f(x)=Sin x using the first priciple.
[I got everything till the last step. How can cos(x+(h/2)).(sin h/2)/(h/2)=cosx.1?]
 
[also in short what exatly is the first principle?]
 
 
 
 
 
 
 
 
 
 
 

Asked by Deebu 1st February 2015, 1:31 AM
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Kerala - XI Science - Mathematics - Limits and Derivatives

Find the distence between 4x-3y-9=0 and 8x-6y-21=0

Asked by Deebu 28th December 2014, 12:29 AM
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Kerala - XI Science - Mathematics - Limits and Derivatives

Find the term indipendent of x in (((3/2)x^2) - (1/3x))^6

Asked by Deebu 28th December 2014, 12:27 AM
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Kerala - XI Science - Mathematics - Limits and Derivatives

Find the locus of the set of points P such that distence from A(2,3,4) is equal to twice the distence from B(-2,1,2).
 
[ I took P as (x,y,z) and found distence from A and distence from B. Now what?]

Asked by Deebu 28th December 2014, 12:23 AM
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Kerala - XI Science - Mathematics - Limits and Derivatives

Find the point which trisect (4,0,1),(2,4,0).

Asked by Deebu 28th December 2014, 12:20 AM
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Kerala - XI Science - Mathematics - Limits and Derivatives

Find the slope of x/a + y/b=1

Asked by Deebu 28th December 2014, 12:17 AM
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Kerala - XI Science - Mathematics - Limits and Derivatives

Find the derivation of x^2+x+1 from 1st principle.

Asked by Deebu 28th December 2014, 12:05 AM
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