On the equation of line and circle 1. What are the characteristics of the line represented by equation (2x + Y-5) + a (x-7y + 6) = 0 (a ∈ R)? 2. What are the characteristics of the line represented by the equation (a1x + b1y + C1) + a (a2x + b2y + C2) = 0 (a ∈ R, a1x + b1y + C1 = 0 and a2x + b2y + C2 = 0)?
1. Find out the value in brackets is equal to 0
It's too late
2. Too much
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