Binomial Expansions - Find the following. (Questions held on attachment)
Find the following:
a) The coefficient of x in the expansion of
b) The coeffiecient of x^3yz^4 in the expansion of
c) The coeff ...
Fourier Series - Find the nth Fourier coefficient (in terms of the an's) of the signal y(t) defined by:
y(t) = x(t+1) + x(1-t), for all t in .
Please see attachment for more readable form of question.
Finding a Polynomial - Find a polynomial p so that:
p''(t)+3p'(t) + 2p(t) = (t^2)-2
for all numbers t.
(note: p''= p double prime and t^2 = t raised to the power of 2)
Coefficient of variation - Given that the mean of a set of data is 25 and the standard deviation is 3, what would be the coefficient of variation?