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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