Find the Cartesian equation of the Following planes. (a) vec r .(hat i + hat j - hat k) = 0 (b) vec r .(2 hat i

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Q 1875112966.     Find the Cartesian equation of the Following
planes.
(a) vec r .(hat i + hat j - hat k) = 0
(b) vec r .(2 hat i + 3 hat j - 4 hat k) = 1
(c)  vec r .[(s - 2t) hat i + (3 - t ) hat j + (2s + t ) hat k] = 15`

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