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Anonymous User Best Answer
T1(x,y)=(x,0) and T2(x,y)=(0,y) be a linear opretor T1T2(x,y)=T1(0,y)=(0,0) then T2T1(x,y)=T2(x,y9)=(0,0) T2T1=0 .
what's ur dabut
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