Which of the following does not exist? a. multiplicative inverse of 7mod16 b. multiplicative inverse of 6mod15 c. multiplicative inverse of 11mod8 d. multiplicative inverse of 3mod8 Oa Ob Ос Od

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A: We have, F(s) =s2s2+4 =s2+4-4s2+4 =1-4s2+4

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Q: hi can you solve question in pen or pencil and explain so i can understand thanks

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A: This is a question from Fourier Series.

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