Question

If the planes vector r.(2i - λj + k) = 3 and vector r.(4i + j - μk) = 5 are parallel, then the value of λ and µ are …

(a) 1/2,0

(b) 1/2,1

(c) -1/2,-2

(d) 0,1/2

Answer 1

(c) The answer is -1/2,-2