The number of distinct pairs (x,y) of real numbers satisfying x = x^3 + y^4 and y = 2xy is:

A)5

B)12

C)3

D)7

Printable View

- Oct 11th 2008, 04:39 AMfardeen_gen[SOLVED] Find number of distinct pairs (x,y)?(difficult)
The number of distinct pairs (x,y) of real numbers satisfying x = x^3 + y^4 and y = 2xy is:

A)5

B)12

C)3

D)7 - Oct 11th 2008, 05:39 AMskeeter

or

for ...

, and

for ...

and

looks like 5 distinct solutions to me ... hope I didn't miss any.