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Syllabus
[1/rt7]
If ω is imaginary cube root of unity and (a + bω + cω2)2015 = (a + bω2 + cω) where a,b,c are unequal real numbers, then a2 + b2 + c2 – ab – bc – ca is equal to- (1) 0 (2)
(a)a<2 (b) a>2 (c) a=2 (d) none
HOW DO WE FIND THETA IN POLAR FORM S
Q. If , where , then x is equal to