Question

If two planes 2x-4y+3z=5 and x+2y+lamdaZ=12 are perpendicular each other , then lamda =​

Answer 1

Answer:

2

Step-by-step explanation:

Because both planes are perpendicular each other.so

2×1+(-4)2+3×lamda=0

2-8+3 lamda=0

3 lamda=6

lamda=2

so 2 is the right answer