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Write the vectorthe vector equation of t...

Write the vectorthe vector equation of the line passing through `(1, 2, 3)` and perpendicular to the plane `vecr.(hati + 2hatj – 5hatk) + 9 = 0.`

A

`r=(hati+2hatj+3hatk)+lamda(hati+2hatj-5hatk)`

B

`r=(hati+2hatj-5hatk)+lamda(hati+2hatj+3hatk)`

C

`r=(hati+2hatj+3hatk)+lamda(-8hatk)`

D

None of the above

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The correct Answer is:
A
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Write the vectorthe vector equation of the line passing through (1,2,3) and perpendicular to the plane vec r*(hat i+2hat j-5hat k)+9=0

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