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प्रश्न
Choose the correct alternative:
If (1, 2, 4) and (2, – 3λ – 3) are the initial and terminal points of the vector `hat"i" + 5hat"j" - 7hat"k"` then the value of λ is equal to
पर्याय
`7/3`
`- 7/3`
` - 5/3`
`5/3`
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उत्तर
`- 7/3`
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