Question

for a vector a= ai+2j-k and b=2ai-aj+4k to the perpendicular to each other find the value of a

Answer 1

Answer:Here value of a can be -1 and 2.

Explanation: by applying the dot product formula we can say that when two vector are perpendicular each other dot product  value is zero . By solving the two order equation we can find the value of a.