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55.The largest set of real values of x for whichf(x)= \sqrt{(x+2)(5-x) }-1/\sqrt{x^2-4} is a real function is 1)\lbrack1,2)∪(2,5\rbrack 2)(2,5\rbrack 3)\lbrack3,4\rbrack 4)\lbrack1/\sqrt2,1 |
| Answer» 55.The largest set of real values of x for whichf(x)= \sqrt{(x+2)(5-x) }-1/\sqrt{x^2-4} is a real function is 1)\lbrack1,2)∪(2,5\rbrack 2)(2,5\rbrack 3)\lbrack3,4\rbrack 4)\lbrack1/\sqrt2,1 | |