1.

Let a,b,c be real numbers with a2+b2+c2=1 Show that the equation ∣∣∣∣ax−by−cbx+aycx+abx+ay−ax+by−ccy+bcx+acy+b−ax−by+c∣∣∣∣ = 0 represents a straight line.

Answer» Let a,b,c be real numbers with a2+b2+c2=1 Show that the equation
axbycbx+aycx+abx+ayax+byccy+bcx+acy+baxby+c
= 0
represents a straight line.



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