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Please answer it in detail formate. Please answer it as soon as possible. Thankyou.......................

Please answer  it in detail formate.
 
Please answer it as soon as possible.
Thankyou.......................

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Grade:11

1 Answers

Sushant Kumar
42 Points
5 years ago
using concept of rotation 
 
z3-z2/mod(z3-z2)=i(z1-z2)/mod(z1-z2)
as it is isoceles triangle implies mod(z3-z2)=mod(z1-z2)    (since mod() signifies distance
 
 
we get
z3-z2=i(z1-z2)
 
now squaring both sides we get
 
z_{3}^{2}+z_{2}^{2}-2z_{2}z_{3}=(-1)(z_{1}^{2}+z_{2}^{2}+-2z_{2}z_{1})
 
arrange it and we get the answer
 
hope this will help

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