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Mathematics 6 Online
OpenStudy (anonymous):

first three terms for maclaurin series of f(x)=arcsin(x)

OpenStudy (wasiqss):

have u tried it , its kinda simple if u know the derivative

OpenStudy (anonymous):

i have been looking at it for hours, referring to the textbook and back. maybe some advice in the right direction?

OpenStudy (wasiqss):

listen firstly derivative for arsinx =\[1/[1-(x^2)]\]

OpenStudy (anonymous):

f(x)=f(0)+f'(0)x+1/2!f''(0)x^2+...+1/n!f^(n)(0)x^n

OpenStudy (wasiqss):

now take out two more derivatives by using quotient rule or other method

OpenStudy (anonymous):

u mean 1/sqrt(1-x^2)...

OpenStudy (anonymous):

yup... following ya

OpenStudy (wasiqss):

yehh, now take out derivative of 1/sqrt(1-x^2)...

OpenStudy (wasiqss):

perfect

OpenStudy (anonymous):

so y''(x) = x/((1-x^2)^3/2) & y'''(x) = 3x^2/((1-x^2)^5/2) + 1/((1-x^2)^3/2)

OpenStudy (wasiqss):

man u have dont it !

OpenStudy (wasiqss):

now put O in all the eq

OpenStudy (anonymous):

y'(0) = 1 ; y''(0) = 0 ; y'''(0) = 1

OpenStudy (anonymous):

so is the answer: |dw:1326545949148:dw|

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