Let a^{-} = i^{-}+j^{-} , b^{-} = j^{-}+k^{-} and c^{-} = i^{-}+k^{-}. If d^{-} is a unit vector such that a^{-}.d^{-} = 0 and b^{-}.(c^{-}\timesd^{-}) = 0 , then d^{-} =

Correct Answer is : ±1√2(−i−−j)

1/\sqrt2 i^{-}+1/\sqrt2 j^{-}+1/\sqrt3 k^{-}

± (1/\sqrt2j^{-}+1/\sqrt2 k^{-})

TS EAMCET 7 May 2018 Shift 1 Solved Paper

Section: Mathematics

Question : 32 of 160

Marks: +1, -0

Let

−

and

−

. If

−

is a unit vector such that

−

= 0 and

−

) = 0 , then

−

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