Medium Math Class 11 Level 2

For f(x)=√(2-x) which condition is correct for x in the domain?

f(x)=√(2-x) के domain में x के लिए कौन सी condition सही है?

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Correct Answer

B. x ≤ 2 / x ≤ 2

Explanation

Step 1: The expression inside square root cannot be negative. Step 2: 2-x ≥ 0 gives x ≤ 2. Step 3: In root domain keep inside value zero or positive.

Step 1: Square root के अंदर expression negative नहीं होनी चाहिए। Step 2: 2-x ≥ 0 से x ≤ 2 मिलता है। Step 3: Root domain में inside value zero या positive रखें।

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