8. Simplify: (1 - 30 + m2)(1 +0 -30...
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8. Simplify: (1 - 30 + m2)(1 +0 -30°).

11th - 12th Class
Maths
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( left(1-3 w+w^{2}right)left(1+w-3 w^{2}right) ) ( 1+w+w^{2}=0 ) ( therefore 1+w^{2}=-w, 1+w=-w^{2} ) ( left(1+w^{2}-3 wright)left(1+w-3 w^{2}right) ) ( (-omega-3 w)left(-w^{2}-3 w^{2}right) ) ( (-4 w)left(-4 w^{2}right) ) ( 16 w^{3}=16(1)=16 mu )
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