Add New Description

Fill up the form and submit

দুইটি সরলরেখা

a_{1} x + b_{1} y + c_{1} = 0

a_{2} x + b_{2} y + c_{2} = 0

a_{1} a_{2} + b_{1} b_{2}

\frac{a_{1}}{a_{2}} = \frac{b_{1}}{b_{2}}

a_{1} a_{2} - b_{1} b_{2} = 0

a_{1} a_{2} = b_{1} b_{2}

ANS : 1

Descrption

To add a description please, login first. click here to login

Cancel Login