5m^2n[2mn+4m^2n-3mn^2]if m =1/3and n=1/2
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step by step explanation:
If m= 1/3 and n= 1/2
then
5(1/3)^2*(1/2)[2(1/3)*(1/2)+4(1/3)^2*(1/2)-3(1/3)*(1/2)^2]
5*(1/9)*(1/2)[2*(1/6)+4(1/9)*(1/2)-3(1/12)]
5/18[1/3+2/9-1/4] ( by dividing)
5/18[12+8-9]/36 ( as the LCM of 3 9 4 is 36]
5/18[11/36]
5/18*11/36
55/648
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