Questions tagged 'Concurrency of three lines'

• If the lines $ax+by+c=0$, $bx+cy+a=0$ and $cx+ay+b=0$ be concurrent, then
  Category: st-line | Tags: Concurrency of three lines
• The points $(at_{1}^{2},2a{{t}_{1}}),(at_{2}^{2},2a{{t}_{2}})$and $(a,0)$will be collinear, if
  Category: st-line | Tags: Concurrency of three lines
• If the given lines $y={{m}_{1}}x+{{c}_{1}},y={{m}_{2}}x+{{c}_{2}}$ and $y={{m}_{3}}x+{{c}_{3}}$ be concurrent, then
  Category: st-line | Tags: Concurrency of three lines
• The lines $(p-q)x+(q-r)y+(r-p)=0 \\ (q-r)x+(r-p)y+(p-q)=0 \\ (r-p)x+(p-q)y+(q-r)=0$ are
  Category: st-line | Tags: Concurrency of three lines
• Which of the following lines is concurrent with the lines $3x+4y+6=0$and $6x+5y+9=0$
  Category: st-line | Tags: Concurrency of three lines
• The value of $k$ for which the lines $7x-8y+5=0$, $3x-4y+5=0$ and $4x+5y+k=0$ are concurrent is given by
  Category: st-line | Tags: Concurrency of three lines
• For what value of $a$ the lines $x=3,y=4$ and $4x-3y+a=0$ are concurrent
  Category: st-line | Tags: Concurrency of three lines
• The lines $15x-18y+1=0,$ $12x+10y-3=0$ and $6x+66y-11=0$ are
  Category: st-line | Tags: Concurrency of three lines
• The straight lines $x+2y-9=0,$ $3x+5y-5=0$ and $ax+by-1=0$ are concurrent, if the straight line $35x-22y+1=0$ passes through the point
  Category: st-line | Tags: Concurrency of three lines
• If the lines $ax+y+1=0,x+by+1=0$ and $x+y+c=0$ (a, b, c being distinct and different from 1) are concurrent, then $\frac{1}{1-a}+\frac{1}{1-b}+\frac{1}{1-c}=$
  Category: st-line | Tags: Concurrency of three lines

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