Posted by **peter** on Thursday, December 19, 2013 at 11:06am.

If #(w,x,y,z)means you square the product of all the terms, for all positive value of w,x,y, and z and #(1,2,3,z)=144, then z = ?

please explain how to do that

- math -
**Reiny**, Thursday, December 19, 2013 at 11:40am
so just follow the instructions,

((1)(2)(3)z)^2 = 144

(6z)^2 = 144

36z^2 = 144

z^2 = 4

z = 2

Actually the wording of the question is flawed.

Terms are separated by addition and subraction, there is only one term here.

The correct wording should be :

If #(w,x,y,z)means you square the product of all the **factors**, for all positive ....

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