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2 votes
2 votes
Find  coeff of x^83 in [x^83].(x^5+x^8+x^11+x^14+x^17)

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3 votes
3 votes
[x^83].(x^5+x^8+x^11+x^14+x^17)

No power of X is = 83 hence

Coefficient of X^83=0

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