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Define the polynomial ring $\Bbb Q[c][x]$ .Find the $c$ values where $x^2 + x + c + 1$ has a double root.

Sage question: Define the polynomial ring $\Bbb Q[c][x]$ .Find the $c$ values where $x^2 + x + c + 1$ has a double root. Sage code I have found.

K.<c>=QQ['c']

R.<x>=K[]

f=x^2+x+c+1

How do I find the code for the $c$ values where $x^2 + x + c + 1$ has a double root. Also, can you give some examples so that I can construct some programming code in sage?

Define the polynomial ring $\Bbb Q[c][x]$ .Find the $c$ values where $x^2 + x + c + 1$ has a double root.

Sage question: Define the polynomial ring $\Bbb Q[c][x]$ .Find the $c$ values where $x^2 + x + c + 1$ has a double root. Sage code I have found.

K.<c>=QQ['c']

R.<x>=K[]

f=x^2+x+c+1

How do I find the code for the $c$ values where $x^2 + x + c + 1$ has a double root. Also, can you give some examples so that I can construct some programming code in sage?

Revision history [back]

Define the polynomial ring Q[c][x]\Bbb Q[c][x].Find the cc values where x2+x+c+1x^2 + x + c + 1 has a double root.

Define the polynomial ring Q[c][x]\Bbb Q[c][x].Find the cc values where x2+x+c+1x^2 + x + c + 1 has a double root.

Define the polynomial ring $\Bbb Q[c][x]$ .Find the $c$ values where $x^2 + x + c + 1$ has a double root.

Define the polynomial ring $\Bbb Q[c][x]$ .Find the $c$ values where $x^2 + x + c + 1$ has a double root.