(12/5)^10*(-5/3)^11*(1/2)^22
=(5/12)*(12/5)^11*(-5/3)^11*(1/4)^11
=-(5/12)[(12/5)*(5/3)*(1/4)]^11
=-(5/12)[4*(1/4)]^11
=-(5/12)[1]^11
=-5/12
(12/5)^10*(-5/3)^11*(1/2)^22
=(5/12)*(12/5)^11*(-5/3)^11*(1/4)^11
=-(5/12)[(12/5)*(5/3)*(1/4)]^11
=-(5/12)[4*(1/4)]^11
=-(5/12)[1]^11
=-5/12