1.

The vector ^i+x^j+3^k is rotated through an angle θ and is doubled in magnitude. It now becomes 4^i+(4x−2)^j+2^k. The possible value(s) of x is(are)

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The vector ^i+x^j+3^k is rotated through an angle θ and is doubled in magnitude. It now becomes 4^i+(4x2)^j+2^k. The possible value(s) of x is(are)



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