MathematicsHard202×since 2002Q5685Let a→\overrightarrow aa, b→\overrightarrow bb, c→\overrightarrow cc be three non-zero vectors which are pairwise non-collinear. If a→+3b→\overrightarrow a+3 \overrightarrow ba+3b is collinear with c→\overrightarrow cc and b→+2c→\overrightarrow b+2 \overrightarrow cb+2c is collinear with a→\overrightarrow aa, then a→+b→+6c→\overrightarrow a+\overrightarrow b+6 \overrightarrow ca+b+6c is :Aa→+c→\overrightarrow a+\overrightarrow ca+cBc→\overrightarrow ccCa→\overrightarrow aaD0→\overrightarrow 00Check answerSkip