यदि सदिश a = i-j+2k, b =2i+4j+k और c=lambdai+j+mu k परस्पर ओर्थोगोनल हैं, तो (lambda...

vectors vec a=i-j+2k,vec b=2i+4j+k and vec c=lambda i+j+mu k are mutually orthogonal then (lambda,mu) is

If the volume of a parallelopiped whose coterminus edges are a=i+j+2k, b=2i+ lambda j+k and c=2i+2j+ lambda k is 35 m^3 , then a value of a.b + b.c - c.a is :

If a=3i+2j+k, b=5i-j+2k" and "c=i+j+k , find [a b c]

If bara = 2i + 3j - k , barb = - i + 2 j - 4k and barc = i + j + k . then (a xx b) · ( a xx c)