若A,B为有理数,且A,B满足a²+2B+√2 b=17-4√2

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若A,B为有理数,且A,B满足a²+2B+√2b=17-4√2若A,B为有理数,且A,B满足a²+2B+√2b=17-4√2若A,B为有理数,且A,B满足a²+2B+√2

若A,B为有理数,且A,B满足a²+2B+√2 b=17-4√2
若A,B为有理数,且A,B满足a²+2B+√2 b=17-4√2

若A,B为有理数,且A,B满足a²+2B+√2 b=17-4√2
A,B为有理数,则b=4,
a²+2B=17,
即a²+8=17,a=±3.