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उस रेखा का समीकाण ज्ञात कीजिए जो बिन्दु (1,2,3) से होकर जाती है तथा रेखा `(-x-2)/(1)=(y+3)/(7)=(2z-6)/(3)` के समान्तर है ।

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Correct Answer - `(x-1)/(-2)=(y-2)/(14)=(z-3)/(3)`
समीकरण का कार्तीय रूप `(x-5)/(3)=(y+4)/(7)=(z-6)/(2)`
सदिश रूप `vecr=veca+lambda vecb`
तब `veca=5i-4hatj+6hatk`
तथा `vecb=3hati+7hatj+2hatk`
`veca` तथा `vecb` के मान समीकरण (1) में रखे।

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