(a) Show that the p.d.f. of Z is given by g1(x) = e-(+)cosh(VAx), r > 0, where cosh(2) = (e +e) is known as the hyperbolic cosine function. (b) Use Taylor series of exponential functions to prove that...


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(a) Show that the p.d.f. of Z is given by g1(x) = e-(+)cosh(VAx), r > 0, where<br>cosh(2) = (e +e) is known as the hyperbolic cosine function.<br>(b) Use Taylor series of exponential functions to prove that<br>1<br>91(x) =<br>%3D<br>(2k)!<br>k=0<br>

Extracted text: (a) Show that the p.d.f. of Z is given by g1(x) = e-(+)cosh(VAx), r > 0, where cosh(2) = (e +e) is known as the hyperbolic cosine function. (b) Use Taylor series of exponential functions to prove that 1 91(x) = %3D (2k)! k=0

Jun 09, 2022
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