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Find the cartesian equation fo the follo...

Find the cartesian equation fo the following planes.` vecr.[(s-2t)hati+(3-t)hatj+(2s-t)hatk] = 15`

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The correct Answer is:
Replacing `vecr` by `xhati+yhatj+zhatk`, we have `(xhati+yhatj+zhatz).[s-2t)hati+(3-t)hatj+(2s+t)hatk] = 15`
`(s-2t)x+(3-t)y+(2s+t)z = 15`, which is the cartesian equation of the plane.
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A N EXCEL PUBLICATION-THREE DIMENSTIONAL GEOMETRY-QUESTION BANK
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