1.

The vectors a→ and b→ are non-collinear. If vectors (x-2)a→+b→ and (2x+1)a→-b→ are collinear, then x = _________________.

Answer» The vectors a and b are non-collinear. If vectors (x-2)a+b and (2x+1)a-b are collinear, then x = _________________.


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