Question

is a linear equation
$\sqrt{2x + } \sqrt{5y} + 7$
​

Answer 1

Question :-

is a linear equation

$\rm{ \sqrt{2x} + \sqrt{5y} + 7 }$

Answer :-

• No. It is not a linear equation in two variable.

Step by step explanation :-

First know when it is a linear equation,

$\rm:\longmapsto{ \sqrt{2}x + \sqrt{5} y + 7 }$

First know the general from of linear equation in two variable is ax + by + c.

Now,

No linear equation is the main reason is as we see the equation if a and b have root then no matter but ax and by have root then it's matter. Now, question becomes why not matter a and b have root, because generally the value of a and b is $\rm{a \: \leqslant 0 }$ and $\rm{b \leqslant 0}$.

Hope now we understand why it is not a linear equation in two variable.

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