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If f(x) = x³, what is the value of f(-2)?यदि f(x) = x³ है, तो f(-2) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: -8-8
Substitute x = -2 into f(x) = x³: f(-2) = (-2)³ = (-2) × (-2) × (-2) = -8. Thus, the correct answer is -8; a negative number raised to an odd power remains negative.f(x) = x³ में x = -2 रखने पर f(-2) = (-2)³ = (-2) × (-2) × (-2) = -8 मिलता है। इसलिए सही उत्तर -8 है; किसी ऋणात्मक संख्या की विषम घात ऋणात्मक होती है।
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