Find the value of `' p '` for which the vectors `3 hat i+2 hat j+9 hat k\ a n d\ hat i-2p hat j+3 hat k` are parallel.

If the vectors 3hat i+2 hat j+9 hat k and hat i-2p hat j+3 hat k are parallel, find p.

Find the value of a for which the vector 3 hat i+ 2 hat j+ 9 hat k and hat i+ a hat j+ 3 hat k are perpendicular.

Find the value of 'p' for which the vectors 3hat i+2hat j+9hat k and hat i-2phat j+3hat j+3hat k are parallel.

Find the value of a for which the vector 3 hat i+ 2 hat j+ 9 hat k and hat i+ a hat j+ 3 hat k are parallel.

Find the value of a for which the vector 3 hat i + 3 hat j + 9 hat k and hat i + a hat j + 3 hat k are parallel.

If the vectors 3 hat i +3 hat j +9 hat k and hat i +a hat j +3 hat k are parallel, then a =

Find the value of ^(prime p) for which the vectors hat i+2hat j+9hat k and hat i-2phat j+3hat k are parallel.

Find the value of p for which the vectors vec a=3 hat i+2 hat j+9 hat k and vec b= hat i+p hat j+3 hat k are (i) perpendicular (ii) parallel

Write the value of p for which vec a=3 hat i+2 hat j+9 hat k\ a n d\ vec b= hat i+p hat j+3 hat k are parallel vectors.