✨ Best Answer ✨
m×{(M-m)g/(M+m)+g}
= m×{(M-m)/(M+m)+1}×g
=mg×{(M-m)/(M+m)+ (M+m)/(M+m)}
=mg×{(M-m)+ (M+m)}/(M+m)
=mg×(M-m+M+m)/(M+m)
=mg×(2M)/(M+m)
=2Mmg/(M+m)
✨ Best Answer ✨
m×{(M-m)g/(M+m)+g}
= m×{(M-m)/(M+m)+1}×g
=mg×{(M-m)/(M+m)+ (M+m)/(M+m)}
=mg×{(M-m)+ (M+m)}/(M+m)
=mg×(M-m+M+m)/(M+m)
=mg×(2M)/(M+m)
=2Mmg/(M+m)
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