2x^2-7x+7=0 2y^2-7y+8=0x和y旳值?

问题描述:

2x^2-7x+7=0 2y^2-7y+8=0
x和y旳值?

x=(7+-((7)^0.5)i)/4
y=(7+-((15)^0.5)i)/4