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Class 11 Mathematics Relations and Functions Real-Valued Functions, Their Domain and RangeHard

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Choose the domain of (f(x)=\sqrt{25-x^2}).

Answer and explanation

Correct answer: ([-5,5])

Here (25-x^2\ge 0), so (x^2\le 25) and (x\in[-5,5]). In such questions, solve the inequality carefully.

Related tags

Relations-Functions Domain Inequality Real Valued Functions Their Domain And Range Real Valued Functions Their Domain And Range Relations And Functions Mathematics Class 11 Mcq

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