Under which one of the following condition will the two planes \[x+y+z=7\] and\[\alpha x+\beta y+\gamma z=3\], be parallel (but not coincident)?

\[\alpha =\beta =\gamma =1only\]

\[\alpha =\beta =\gamma =\frac{3}{7}only\]

Under which one of the following condition will the two planes \[x+y+z

1.	Under which one of the following condition will the two planes \[x+y+z=7\] and\[\alpha x+\beta y+\gamma z=3\], be parallel (but not coincident)?
A.	\[\alpha =\beta =\gamma =1only\]
B.	\[\alpha =\beta =\gamma =\frac{3}{7}only\]
C.	\[\alpha =\beta =\gamma \]
D.	None of the above
Answer» D. None of the above

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Under which one of the following condition will the two planes \[x+y+z=7\] and\[\alpha x+\beta y+\gamma z=3\], be parallel (but not coincident)?

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