In this q If i first multiply the denominator with rhs in case of m i get m=-1 whuch - Maths - Coordinate Geometry

Question

In this q If i first multiply the denominator with rhs in
case of m i get m=-1 whuch is wrong But if i change the values of
lamba in fraction , then the answer is correct why is it
happening?

Brijendra Pal · Accepted Answer

Dear Student,
Even if we do not multiply Denominator with RHS , it is already
done here so please go again with the solution answer will be m = 0
in all the cases

In this q. If i first multiply the denominator with rhs in case of m i get m=-1 whuch is wrong. But if i change the values of lamba in fraction , then the answer is correct why is it happening?