find m and n if m+nP2 =90 AND m-nP2=30 Share with your friends Share 6 Anuradha Sharma answered this Hi, m+nP2=90 and m-nP2=30 Let m+n = a and m-n = b aP2=90 or a!a-2!=90aa-1a-2!a-2!= 90 aa-1= 90= 10×9 so a = 10m+n=10 .....1Again,bP2=30 or b!b-2!=30bb-1b-2!b-2!= 30 bb-1= 30= 6×5 so b= 6m-n=6 .....2Adding equation 1 and 2, 2m = 16m = 8 and hence n = 10-m = 2 Regards 40 View Full Answer Supurna Sadhukhan answered this m=60 n=30 -8 Maguluri .arun answered this m=60 n=30 -2 Harsh Gabba answered this m=60 n=30 -12
