Question

$x,y>0x,y\in N$
$3x+4y<0$ find possible no. of ordered pairs.

Answer 1

Given ,

$3x+4y<0$ ……(1)

and $x,y>0,x,y\in N$

put $x=1,2,3,4 ……$

we get,

if $x=1$

we get

$7<0$

Which is not possible

If $x=2$ we get

$14<0$

Not possible

Hence , there is not exist any solution