9.Straight Line
medium

રેખાઓ $x = 0,\;y = 0,\;x + y = 1$ અને $6x + y = 3,$ થી બનતા ચતુષ્કોણના ઊગમબિંદુમાંથી પસાર થતા વિર્કણનું સમીકરણ મેળવો.

A

$3x - 2y = 0$

B

$2x - 3y = 0$

C

$3x + 2y = 0$

D

એકપણ નહી.

(IIT-1973)

Solution

(a)According to the figure, diagonal $BD$ is passing through origin, therefore its equation is given by

$\left( {y – \frac{3}{5}} \right) = \frac{{ – (3/5)}}{{ – (2/5)}}\left( {x – \frac{2}{5}} \right)$

==> $3x – 2y = 0$.

 

Standard 11
Mathematics

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