If \overline{ {\a}}=2 \overline{ {\i}}+3 \overline{ {\j}}, \overline{ {\b}}=3 \overline{ {\j}}+4 \overline{ {\k}} and \overline{ {\c}}=5 \overline{ {\i}}+4 \overline{ {\k}} are three vectors, then a vector which is perpendicular to \overline{ {\a}} and \overline{ {\b}} \times \overline{ {\c}} is

Correct Answer is : −45i+30j+4k

45 \overline{ {\i}}-30 \overline{ {\j}}+15 \overline{ {\k}}

3 \overline{ {\i}}-2 \overline{ {\j}}+\overline{ {\k}}

-30 \overline{ {\i}}+20 \overline{ {\j}}+4 \overline{ {\k}}

-45 \overline{ {\i}}+30 \overline{ {\j}}+4 \overline{ {\k}}

AP EAPCET 15th May 2023 Shift 1 Solved Paper

Section: Mathematics

Question : 32 of 160

Marks: +1, -0

If a=2i+3j,b=3j+4k and c=5i+4k are three vectors, then a vector which is perpendicular to a and b×c is

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