無理方程式・不等式 演習2
√ ( 2x - 4 ) = x - 2
√ ( x + 3 ) > x + 1
√ ( 3x - 5 ) - √ ( x + 2 ) = -1
- √ ( 4 - 2x ) > (1/3)x - 2
√ ( 4 - x2 ) ≧ 2( x - 1 )
√ ( x + 3 ) - √ ( 2 - x ) = 1
x + 1 = √ { x + 5 + 4√ ( x + 1 ) }
√ ( 2x - 3 ) = x - 3
√ ( 5 + x ) + √ ( 5 - x ) ≦ 2√ x