Let `z_r( 1le r le 4) ` be complex numbers such that `}z_r|=sqrt(r+1)` and `|30z_1+20z_2+15z_3+...
35 views · Published 12 October 2018 · 5:53 · Indexed 29 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Let `z_r( 1le r le 4) ` be complex numbers such that `}z_r|=sqrt(r+1)` and `|30z_1+20z_2+15z_3+12z_4|=k|z_1z_2z_3+z_2z_3z_4+z_3z_4z_1+z_4z_1z_2|` then the value of k equals
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