if w is imaginary cube root of unity and ( a+bw+cw^2)^2015 = ( a+ bw^2 + cw) qheee a,b,c are unequal real numbers, then a^2 + b^2 + c^2 -ab - bc -ca is equal to ?

jee advance question ( integer type)

Your Answer

qhee = where *

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