1.

The value of ∣∣∣∣∣(a+1)(a+2)a+21(a+2)(a+3)a+31(a+3)(a+4)a+41∣∣∣∣∣ is :

Answer»

The value of

(a+1)(a+2)a+21(a+2)(a+3)a+31(a+3)(a+4)a+41

is :



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