If the vectors →a=(clog2x)^i−6^j+2^k and →b=(log2x)^i+2^j+3(clog – InterviewSolution

1.	If the vectors →a=(clog2x)^i−6^j+2^k and →b=(log2x)^i+2^j+3(clog2x)^k make an obtuse angle for any x∈(0,∞) then c belongs to
Answer» If the vectors $\to a = (c l o g_{2} x)^i - 6^j + 2^k$ and $\to b = (l o g_{2} x)^i + 2^j + 3 (c l o g_{2} x)^k$ make an obtuse angle for any $x \in (0, \infty)$ then c belongs to

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