Mathematics, 13.11.2021 04:10, angie249
Given ā«3x^2+1/(z+1)(z-1)=a(z)+b(z)+c(z), find a(z),b(z),c(z)
Answers: 3
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Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) ā sinh2(x) = 1 and (b) 1 ā tanh 2(x) = sech 2(x). solution (a) cosh2(x) ā sinh2(x) = ex + eāx 2 2 ā 2 = e2x + 2 + eā2x 4 ā = 4 = . (b) we start with the identity proved in part (a): cosh2(x) ā sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 ā sinh2(x) cosh2(x) = 1 or 1 ā tanh 2(x) = .
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Given ā«3x^2+1/(z+1)(z-1)=a(z)+b(z)+c(z), find a(z),b(z),c(z)...
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