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9. Find the coefficient of x lO in the power series of each of
these functions.
a. (x^2 +x^4 +x^6 +x^8 + .. . )(x^3 +x^6 +x^9 + .. ·)(x^4 +
x^8 +X^12 + ... )
b. (I +x^2+x^4+x^6+ x^8+ ... )(1 +x^4+X^8+X^I2 + ... )
(I +x^6 +x^12 +x^18 + ... )
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air1ankit asked Oct 9, 2017
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generating function shifted Fibonacci sequence (what we actually do while finding generating function)