I just need #9 a-d (c) Find Σ 2" 9. Usethefact that fg +x2)-1dr = tan...

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(c) Find Σ 2 9. Usethefact that fg +x2)-1dr = tan -1 x to show: (a) tan-1x=x-(x3/3) + (xs/5)-(x1/7)+ (b) Find a series expre

I just need #9 a-d

math Advanced-Math

Answer 1

Answer #1

-txt V3 叶 런2. V3 V3.3 2-3

Answer 2

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