Grade 12Algebra
Sir please help me in solving question no. 43 By using coni or rotation method
Sir please help me in solving question no. 43
By using coni or rotation method
1 Answer
natasha
if Z1 Z2 origin are the vertices then from coni method
Z2-0/Z1-0 = e^i2
/3
Z2/Z1 = -1/2 + i sqrt3/2
Z2/Z1 = 
Z2 = Z1
squaring on both the sides
Z2^2=^2 Z1^2
Z1^2+Z2^2 = Z1^2 + ^2 Z1^2
=Z1^2[1+w^2]
=-wZ1^2
=-wZ1.Z1
=-Z1.Z2
therefore Z1^2+Z2^2+Z1Z2=0
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