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Which is the domain of (f(x)=\frac{\sqrt{x+1}}{x-4})?फलन (f(x)=\frac{\sqrt{x+1}}{x-4}) का प्रांत कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([-1,\infty)-{4})([-1,\infty)-{4})
For the square root (x+1\ge 0) and for the denominator (x\ne 4) are required. Thus the intersection is ([-1,\infty)-{4}).वर्गमूल के लिए (x+1\ge 0) और हर के लिए (x\ne 4) चाहिए। इसलिए दोनों शर्तों का प्रतिच्छेद ([-1,\infty)-{4}) है।
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