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if-a-Z-2-Z-3-b-Z-3-Z-1-c-Z-1-Z-2-Then-find-a-2-Z-2-Z-3-b-2-Z-3-Z-1-c-2-Z-1-Z-2-a-0-b-1-c-2-d-N-O-T-

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Question Number 16542 by gourav~ last updated on 23/Jun/17
if (a/(∣Z_2 −Z_3 ∣))=(b/(∣Z_3 −Z_1 ∣))=(c/(∣Z_1 −Z_2 ∣)) Then.. find.. (a^2 /(Z_2 −Z_3 )) + (b^2 /(Z_3 −Z_1 )) + (c^2 /(Z_1 −Z_2 )) a) 0 b) 1 c) 2 d)N.O.T
ifa∣Z2−Z3∣=b∣Z3−Z1∣=c∣Z1−Z2∣Then..find..a2Z2−Z3+b2Z3−Z1+c2Z1−Z2a)0b)1c)2d)N.O.T
Commented by prakash jain last updated on 23/Jun/17
(a/(∣Z_2 −Z_3 ∣))=(b/(∣Z_3 −Z_1 ∣))=(c/(∣Z_1 −Z_2 ∣)) =k a=k∣Z_2 −Z_3 ∣ a^2 =k^2 (∣Z_2 −Z_3 ∣)^2 =k^2 (Z_2 −Z_3 )(Z_2 ^− −Z_3 ^− ) (a^2 /(Z_2 −Z_3 ))=k^2 (Z_2 ^− −Z_3 ^− ) ans 0.
a∣Z2−Z3∣=b∣Z3−Z1∣=c∣Z1−Z2∣=ka=k∣Z2−Z3∣a2=k2(∣Z2−Z3∣)2=k2(Z2−Z3)(Z−2−Z−3)a2Z2−Z3=k2(Z−2−Z−3)ans0.

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