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If p = z + 1/z and q = z – 1/z, where z is a real number not equal ... ...

If p = z + 1/z and q = z – 1/z, where z is a real number not equal to zero, then (p + q)(p – q) =

 


(A)

2


(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set U: Algebraic Expressions

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Replies to This Thread: 1 | ----
If p = z + 1/z and q = z – 1/z, where z is a real number not equal ... ... 
Posted: 09/25/2014 13:53
There are no answers for A and B on my iPad.
Arcadia
Admin
Reply 1 of 1
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Posted: 09/25/2014 14:24
Hi Darren, A is 2, and B is 4. Sorry about that. Let us investigate because it is rendering fine on my iPad and the website.
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If p = z + 1/z and q = z – 1/z, where z is a real number not equal ... ... 
Posted: 11/14/2014 07:33
A and B won't render on my ipad
Arcadia
Admin
Reply 1 of 1
Replies to This Thread: 0 | ----
 
Posted: 11/14/2014 07:36
(A) 2
(B) 4
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If p = z + 1/z and q = z – 1/z, where z is a real number not equal ... ... 
Posted: 01/02/2015 10:40
Same here. Not showing on my iPad.
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