Prove that the arthametic sequence 7, 11, 15 ..... does not contain perfect squares.....
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7,11,15
common diff is 4
Tn=7+(n-1)4
Tn=4n+3
here n can only be Natural number.
common diff is 4
Tn=7+(n-1)4
Tn=4n+3
here n can only be Natural number.
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