The set of all real values of c so that the angle between the vectors \overline{ {\a}}=c x \overline{ {\i}}-6 \overline{ {\j}}+3 \overline{ {\k}} and \overline{ {\b}}=x \overline{ {\i}}+2 \overline{ {\j}}+2 c x \overline{ {\k}} is an obtuse angle for all real x is [AP EAPCET 27 May 2025 S1]

AP EAPCET 27 May 2025 Shift 1 Paper

Section: Mathematics

Question : 31 of 160

Marks: +1, -0

The set of all real values of c so that the angle between the vectors a=cxi−6j+3k and b=xi+2j+2cxk is an obtuse angle for all real x is

[AP EAPCET 27 May 2025 S1]

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