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Question

Find the general term: 1+5+19+65+...... to n terms

A
3n1- 2n
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B
3n- 2n
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C
3n+1- 2n
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D
3n1- 2n+1
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Solution

The correct option is B 3n- 2n
1=31215=322219=3323nthterm=3n2n

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Sum of the first n odd natural numbers = n^2
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