Jee Main
Vector Algebra
JEE Main 2021 (Online) 25th July Morning Shift
MCQ+4 / -12021
Let the vectors
\((2 + a + b)\widehat i + (a + 2b + c)\widehat j - (b + c)\widehat k,(1 + b)\widehat i + 2b\widehat j - b\widehat k\) and \((2 + b)\widehat i + 2b\widehat j + (1 - b)\widehat k\), \(a,b,c, \in R\)
be co-planar. Then which of the following is true?
\((2 + a + b)\widehat i + (a + 2b + c)\widehat j - (b + c)\widehat k,(1 + b)\widehat i + 2b\widehat j - b\widehat k\) and \((2 + b)\widehat i + 2b\widehat j + (1 - b)\widehat k\), \(a,b,c, \in R\)
be co-planar. Then which of the following is true?