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If 3a+2b+4c=0 then show that the equatio...

If `3a+2b+4c=0` then show that the equation `ax+by+c=0` represents a family of concurrent straight lines and find the point of concurrency.

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The correct Answer is:
`3//4,1//2`
NA
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SRISIRI PUBLICATION-STRAIGHT LINES-EXAMPLE
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  3. If 3a+2b+4c=0 then show that the equation ax+by+c=0 represents a famil...

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  4. A straight line meets the coordinate axes in A and B. Find the equatio...

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  5. Find the equation of the straight line passing through the ponts (3,-4...

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  6. Find the equation of the straight line passing through the points (-1,...

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  7. A triangle of area 24 sq. units is formed by a straight line with the ...

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  8. Find the set of values of a if the points (1,2) and (3,4) lie to the s...

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  9. If 2x-3y-5=0 is the perpendicular bisector of the line segment joining...

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  10. The line x/a-y/b=1 meets the X-axis at P. Find the equation of the lin...

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  11. A(-1,1),B(5,3) are opposite vertices of a square in the XY-plane. Find...

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  13. Find the perpendicular distance between the point of intersection of 3...

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  14. Find the value of a if the distances of the points (2,3) and (-4,a) fr...

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  15. A variable straight line drawn through the point of intersection of th...

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  16. The hypotenuse of a right angled isosceles triangle has its ends at th...

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  17. A(10,4),B(-4,9) and C(-2,-1) are the vertices of a triangle.Find the e...

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