Question

The sum of two rational no is -1 if of them is -5/7 than the other is
​

Answer 1

$Dear student</p><p>a×b=56×45=46=23b×a=45×56=46=23So, a×b=b×aProperty used:Commutative property</p><p>For remaining queries we request you to post them in separate threads to have rapid assistance from our experts.</p><p>Regards$

This is your answer dear have a good day dear