SOLUTION: solve the system x^2+y^2=4 4x^2+9y^2=36
-> SOLUTION: solve the system x^2+y^2=4 4x^2+9y^2=36
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Algebra: Exponent and logarithm as functions of power
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solve the system
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using 1st eq y^2=4-x^2
using the 2nd one
and y=2 or y=-2
Answer: solutions are: x=0,y=2 and x=0,y=-2