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10 questions from this quiz
2n2n2n where nnn is an integer
2n+12n + 12n+1
nnn, n+1n + 1n+1, n+2n + 2n+2
It is always another integer
2n+12n + 12n+1, which is odd
Only one
x=−1x = -1x=−1, y=−2y = -2y=−2
True for all values of variables
Equations are only true for specific values
Clearly identify what you need to prove
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