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For the polynomial \(\frac{x^3+2x+1}{5}-\frac{7}{2}x^2-x^6\), write
 
i. The degree of the polynomial \(=\)
 
ii. The coefficient of \(x^3=\) ii
 
iii. The coefficient of \(x^6=\)
 
iv. The constant term \(=\) ii