I The operati0n 25 defonçdon at be ertban'.shoo thert 5*(*4)d55) 2. luco operations A and* are def oned on the set R of real numbers by ent bea-2b and a Ab- atbtab ohere a, bER fined the values of 3*-5-5*3. ti) Is the operation commutative în R? ) Determne whe wetlher or not. HA (3*-5)> (YA3)*(4^ -s) 3 Calculate e uhere P: 3.6 X 10-3 and Q=2.25x10 CUower în the standard Leavoig your form.

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A: Topic- matrix multiplying

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A: sin-1(0) = 0 sin-1(-1) = -π2

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.