Passage2

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Let 3 points A,B,C with affixes z1,z2,z3 respectively lie on unit circle lzl=1.AD is perpendicular to BC and AD is produced to a point E on circle lzl=1
Q1 Find orthocentre of Î”ABC
Q2 Find the affix of point E

#Mathematics #Algebra

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Celestine preetham ·2009-09-20 00:36:06

circumcentre is origin

we know centroid divide orthocentre and circumcentre in ratio 2:1 ( chk it my memory may fail )

for Q 2 its direct

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eureka123 ·2009-09-20 00:39:43

yup thx

it was easy i know ...but still i needed a confirmation since i didnt have answers

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Passage2

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