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Let f(x)=3x^2-5x+3. For each of the following values of m, find the number of solutions(in the set Zm) of the quadratic congruence f(x) congruent 0 ( mod m). You do not need to find the solutions, if
Let f(x)=3x^2-5x+3. For each of the following values of m, find the number of solutions(in the set Zm) of the quadratic congruence f(x) congruent 0 ( mod m). You do not need to find the solutions, if they exist, but explain how you know that your answers are correct.
1),_____ m=91=7*13
2),_____ m=93=3*31
3),_____ m=121=11^2
4),_____m=527=17*31
5),_____m=961=31^2
6),_____m=2139=3*23*31