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तीन वेक्टर `vecP, vecQ` एवं `vecR` चित्र द्वारा दर्शाये गये है | `vecR` वेक्टर पर एक बिंदु S दर्शाया गया है | बिंदु P एवं बिंदु S के बीच विस्थापन `bvecR` है | `vecP, vecQ` एवं `vecS` वेक्टर के बीच सम्बन्ध है :
image
A. `vecS = (1-b) vecP + bvecQ`
B. `vecS = (b-1) vecP + bvecQ`
C. `vecS = (1-b) vecP + b^(2)vecQ`
D. `vecS = (1-b^(2)) vecP + bvecQ.`

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Correct Answer - A
`vecS = vecP + b vecR`
परन्तु `vecR = vecQ - vecP therefore vecS = vecP + b(vecQ -vecP) = vecP(1-b) + bvevQ`

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