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11.1.7  Coefficients of a polynomial

The coeff or coeffs command finds the coefficients of a specific degree of a polynomial.

Examples

coeff(-x^4+3*x*y^2+x,x,1)
     
y2+1           
coeff(-x^4+3x*y^2+x,y,2)
     
x           
coeff(-x^4+3x*y^2+x,[x,y],[1,2])
     
3           

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