4. Linear Equations in Two Variables
medium

નીચેના સમીકરણના ચાર ઉકેલ લખો : $x=4 y$

Option A
Option B
Option C
Option D

Solution

જો $x=0$, હોય, તો $x=4 y$

$\therefore 4 y=0$

$\therefore y=\frac{0}{4}$

$\therefore y=0$

આમ,  $x=0$, હોય, તો $y=0$ $\therefore$ ઉકેલ $(0,\,0)$

જો $x=1$, હોય, તો $x=4 y$

$\therefore 4 y=1$

$\therefore y=\frac{1}{4}$

આમ,  $x=1$, હોય, તો $y=\frac{1}{4}$ $\therefore$ ઉકેલ $\left(1, \frac{1}{4}\right)$

જો $x=4$, હોય, તો $x=4 y$

$\therefore 4 y=4$

$\therefore y=1$

આમ,  $x=4$, હોય, તો $y=1$ $\therefore$ ઉકેલ $(4,1)$

જો $x=-4$, હોય, તો $x=4 y$

$\therefore 4 y=-4$

$\therefore y=-1$

આમ,  $x=-4$, હોય, તો $y=-1$ $\therefore$ ઉકેલ $(-4,-1)$

Standard 9
Mathematics

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