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If Y=sX and Z =tX all the varibles being...

If Y=sX and Z =tX all the varibles beings functions of x then prove that `|{:(X,Y,Z),(X_(1),Y_(1),Z_(1)),(X_(2),Y_(2),Z_(2)):}| =X^(3) |{:(s_(1),t_(1)),(s_(2),t_(2)):}|`
where suffixes denote the order of differention with respect to x.

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