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If (a<0) and (b>0), which statement about (ab) is always true?यदि (a<0) और (b>0), तो (ab) के बारे में कौन सा कथन हमेशा सत्य है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (ab<0)(ab<0)
The product of a negative and a positive number is always negative, so (ab<0). In sign-based questions, also check the possibility of zero.ऋणात्मक और धनात्मक संख्या का गुणनफल हमेशा ऋणात्मक होता है इसलिए (ab<0)। चिन्ह आधारित प्रश्नों में शून्य की संभावना भी देखें।
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