First slide

Equation of line in Straight lines

Question

If the lines 3x+2y-5=0, 2x-5y+3=0, 5x+by+c=0 are concurrent then b+c =

Moderate

A

7
B

-5
C

6
D

9

Solution

$|\begin{matrix} 3 & 2 & - 5 \\ 2 & - 5 & 3 \\ 5 & b & c \end{matrix}| = 0$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App