Let two non-collinear unit vectors and from and acute angle. A point moves so that at any time the position vector (where is the origin) is given by . When is farthest form origin , let be the length of and be the unit vector along Then, |
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Let two non-collinear unit vectors and from and acute angle. A point moves so that at any time the position vector (where is the origin) is given by . When is farthest form origin , let be the length of and be the unit vector along Then, |
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b) |
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c) |
d) |