GMAT 考满分题库

If b is an integer, is $$\sqrt{a^{2}+b^{2}}$$ an integer?

1.$$a^{2} + b^{2}$$ is an integer.

2.$$a^{2} - 3b^{2}$$ = 0
  • AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
  • DEACH statement ALONE is sufficient.
  • EStatements (1) and (2)TOGETHER are NOT sufficient.
显示答案
正确答案: B

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