Question

If plane ax – by + cz = d contains the line=$\frac { y - 2 d } { b }$

= , then =

• A. 1
• B. 2
• C. 0
• D. –3

Answer 1

Answer: (B)

2

Answer 2

Given plane contains the line

Ž a2 – b2 + c2 = 0 ... (1)

and a2 + 2b2d + c2 = 0 ... (2)

By using (1) and (2) we get b/d = 2