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If (a<b) and (k>0), what is the correct relation between (ka) and (kb)?यदि (a<b) और (k>0) है, तो (ka) और (kb) के बीच सही संबंध कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (ka<kb)(ka<kb)
Multiplying by a positive number does not change inequality direction. Check the sign of the multiplier before writing the conclusion.धनात्मक संख्या से गुणा करने पर असमानता की दिशा नहीं बदलती। पहले गुणक का चिन्ह देखें, फिर निष्कर्ष लिखें।
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