Find the vector equation of the plane ve...

Find the vector equation of the plane `vecr=hati-hatj+lambda(hati+hatj+hatk)+mu(hati-2hatj+3hatk)` in scalar product form. Reduce it to normal form.

A

`rcdot(5i-2j+3k)=7`

B

`rcdot(5i2j-3k)=7`

C

`rcdot(5i-2j-3k)=7`

D

`rcdot(5i+2j+3k)=7`

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The correct Answer is:

(c)

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