Easy Math Class 11 Level 7

If f(x)=√(x-4) then what is the smallest integer x allowed?

यदि f(x)=√(x-4) है तो सबसे छोटा पूर्णांक x कौन सा allowed है?

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Correct Answer

C. 4

Explanation

Step 1: The expression inside square root cannot be negative. Step 2: x-4 ≥ 0 gives x ≥ 4. Step 3: For square root domain keep the inside value zero or positive.

Step 1: Square root के अंदर expression negative नहीं होना चाहिए। Step 2: x-4 ≥ 0 से x ≥ 4 मिलता है। Step 3: Root वाले domain में अंदर की value zero या positive रखें।

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