Which graph represents the solution set for the system x + y 5 and -3x + 2y -2.

eight hundred an fifty one point four hundred and fifteen

800+50+1+.4+.01+.005

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?

monitors suck a question

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