Question

Find the value of 'a' if the lines x=1 ,
y=2 , a²x+ay-20 = 0 are concurrent
in which class it is discussed ​

Answer 1

Answer:

Soln,

Given,

x=1

y=2

Now,

a^2x+ay-20=0

a^2×1+a×2-20=0

a^2+2a-20=0