If mode of z = 1 , mode of z2 = 2 , mode of z3 = 3 & mode of z1+z2+z3 = 1 , then mode of 9z1z2+4z3z1+z2z3 is equal to??

Dear Ranjita,

apply mod operation on both the sides and then substitute the given values to gat the results.

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