add : 2ab,-7an,2/3ab,9ab
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2ab+(-7an)+2/3ab+9ab
=>2ab-7an+2/3ab+9ab
=>6a²b²-21a²bn+2+27a²b²/3ab
=>33a²b²-21a²bn+2/3ab
plz mark my brainlest ans....
=>2ab-7an+2/3ab+9ab
=>6a²b²-21a²bn+2+27a²b²/3ab
=>33a²b²-21a²bn+2/3ab
plz mark my brainlest ans....
anshuman3716:
thanks
wlcm
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