1.

If the polynomial f(x)=∣∣∣∣∣(1+x)a(2+x)b11(1+x)a(2+x)b(2+x)b1(1+x)a∣∣∣∣∣, then the constant term of f(x) is

Answer»

If the polynomial f(x)=

(1+x)a(2+x)b11(1+x)a(2+x)b(2+x)b1(1+x)a

,
then the constant term of f(x) is



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