If a is equal to 16 and 20 equal to 5 then find the value of a square + b square + a b upon a3 - b3
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if a=16
b=5
a square + b square+ab=16×16+5×5+16×5
""""""""”""""""""""""""""""""=256+25+80=361
a3-b3=16×16×16-5×5×5=4096-125=3971
b=5
a square + b square+ab=16×16+5×5+16×5
""""""""”""""""""""""""""""""=256+25+80=361
a3-b3=16×16×16-5×5×5=4096-125=3971
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