Which of these are members of the span [{cos2 x, sin2 x}] in the vector space of
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(a) f(x) = 1
(b) f(x) = 3 + x2
(c) f(x) = sin x
(d) f(x) = cos(2x)
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a Yes it is in that span since 1 cos 2 x 1 sin 2 x fx b No since r 1 cos 2 x r ...View the full answer
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