यदि (a>b) और (k>0) है तो कौन सा कथन सही है?
If (a>b) and (k>0), which statement is correct?
Explanation opens after your attempt
A. (ak>bk)
Concept
Multiplication by a positive number keeps the direction the same. The condition (k>0) is important.
Why this answer is correct
The correct answer is A. (ak>bk). Multiplication by a positive number keeps the direction the same. The condition (k>0) is important.
Exam Tip
धनात्मक संख्या से गुणा करने पर दिशा वही रहती है। (k>0) होने की शर्त जरूरी है।
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