Math, asked by hrishikesh2007, 1 year ago

find the value of k if the angle between the stright line kx+y+9=0and3x_y+4=0is π/4​

Answers

Answered by artistvikash1
1

Answer:

theta is 45

then

tan theta is +-(m1-m2/1+m1m2)

1=+-(-k-3/1-3k)

1=-(K+3/1-3k)

3k-1=k+3

k=2

or

k=-2

ok

follow me

guys

Similar questions