Question

The value of P so that the vectors 2î - i+k, î+29–3ť
and 3i+pj + 5k are coplanar should be:
(1) 16
(2) -4
(3) 4
(4) -8​

Answer 1

${\huge{\overbrace{\underbrace{\red{⫷❥ᴀ᭄n§₩ΣR⫸- }}}}}$