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


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


Grade:11

1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
8 years ago
z1=+-1,z2=+-2,z3=+-3, z1+z2+z3= 3-2+1=2(should be two)
-18+12-3=-9
mod is 9

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