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				   lim x-->infinity ( 1/3 + 1/15 + ..... + n terms )
				   

4 years ago

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Dear jyoti,


please find the attachment given below


 


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4 years ago

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Hi, I am not able to solve the problem attached with the image.The Question is from ncert text book. Please provide me a hint.
 
 
Substitute tanx = t => sec 2 xdx =dt => dx=dt/(1+t 2 ) Then integrate by parts to get the answer. Please approve the answer..
 
Jayant Kishore 3 months ago
Please it would be grateful if anybody could tell me the integration of xtan(x)dx
 
 
As it will result in the recursive equation and therefore it will be requried to convert into some special function.
  img
Vijay Mukati 10 months ago
 
I will try to provide it whenever I will be free. Thanks.
  img
Vijay Mukati 10 months ago
 
HIint. Please use the product rule for the integration here. Consider the x as 1 st term and tanx as second. Thanks.
  img
Vijay Mukati 10 months ago
what is mean limit and continuity explain it perfectly
 
 
L IMIT OF A REAL F UNCTION : f(x) be a function defined in a deleted nbd of ‘a’ and l ∈ R, for each ∈ > 0, there exists δ > 0 such that 0 we write it as Lt f(x) = l x → a R IGHT LIMIT OF ‘...
 
SHAIK HAFEEZUL KAREEM 2 months ago
TAN(A+B)=
 
 
tanA+tanB/1-tanAtanB.........................................................................................................
 
SHAIK HAFEEZUL KAREEM 2 months ago
 
tanA+tanB/1-tanAtanB
 
Akhil Chinnu 9 months ago
 
tanA+tanB/-tanA*tanB
 
VENKT 8 months ago
sin θ=cosθ then θ=?
 
 
sin θ=cosθ*1 sinθ/cosθ=1 tan θ=1 tanθ=tan45 θ=45
 
RAJU 8 months ago
 
45 degrees
 
kalyan 8 months ago
 
45 Degrees
 
SAIMANIKANTA 8 months ago
if y=log(tan x) the value of dy/dx = ….......................................................
 
 
y=log(tan x) dy/dx = d(log(tanx))/dx = (1/tanx) *d(sinx/cosx)/dx = (cosx/sinx) * (cosx/-sinx) = – (cosx*cosx) / (sinx*sinx) = – cos 2 x/sin 2 x Hope it helped
 
Jigar Marvaniya one month ago
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