If .then the equation ax + b = 0 for x has only one root. 查看更多

 

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If a+b=0,then the equation ax+b=0 for x has(英汉小词典:infiniteroots:无穷多个根)


  1. A.
    only one root
  2. B.
    only one root or no root
  3. C.
    only one root or infinite roots
  4. D.
    no root or infinite roots

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If a2+b2>0,then the equation ax+b=0 for x has(  )
A、only one rootB、no rootC、infinite roots(无穷多个根)D、only one root or no root

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If a2+b2>0,then the equation ax+b=0 for x has(  )
A.only one root
B.no root
C.infinite roots(无穷多个根)
D.only one root or no root

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