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Is 144 a term of the AP: 3, 7, 11,...? Justify your answer.

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asked Feb 1, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 435 ● 1342
Is 144 a term of the AP: 3, 7, 11,...? Justify your answer.

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answered Feb 1, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 25
 
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No, because here a= 3 an odd number and d = 4 which is even. So, sum of odd and even must be odd whereas 144 is an even number.

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