if x^2+1/x^2=17/4, then find (2/5)[(x)+(1/x)]+[(x-(1/x)]
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u=log[tan( $\pi$ /4 +thet/2)]
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1 z ^ n + z ^ (n - 1) +***+z^ 2 +z^ "-n" + c z-1 to be analytic at z = 1 when n \in \mathbb{n} is fixed. can be extended (3) site:...
The equation x ^ 2 + 5k = kx + x + 19 has real and equal roots; find the possible values of k
2-1 1/15
81x -25+6x-10
if x^2+1/x^2=17/4, then find 2/5(x+1/x)+(x-1/x)
86-[15x -7(6x -9
x-2=8