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let-x-1-1-andf-n-x-sin-2narcsinx-1-prove-that-f-n-is-odd-and-calculate-f-n-0-and-f-n-1-2-solve-inside-0-1-f-n-x-0-3-prove-that-f-n-is-continue-derivable-on-1-1-and-calculate-f-n-




Question Number 33981 by abdo imad last updated on 28/Apr/18
let x∈[−1,1] andf_n (x)=sin(2narcsinx)  1)prove that f_n is odd and calculate f_n (0) and f_n (1)  2)solve inside [0^� 1]  f_n (x)=0  3) prove that f_n  is continue,derivable on[−1,1] and  calculate f_n ^′ (x)  4) study the derivability of f_n  at 1^−   and (−1)^+   5)calculate I_n = ∫_0 ^1 f_n (x)dx .
letx[1,1]andfn(x)=sin(2narcsinx)1)provethatfnisoddandcalculatefn(0)andfn(1)2)solveinside[01¯]fn(x)=03)provethatfniscontinue,derivableon[1,1]andcalculatefn(x)4)studythederivabilityoffnat1and(1)+5)calculateIn=01fn(x)dx.

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