A)Write the 1st term and the commom difference of the arithmetic sequence whose algebraic expression is 3n+5? B)1st term of an arithmetic sequence is 5.write its algebraic form?
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pratham2570
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Write the first term and the common difference of the arithmetic sequence whose algebraic expression 3n+5?
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kartik6070
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__________________________
Given :-
• algebraic expression of an arithmetic sequence 3n + 5
To Find :-
• It's first term and common difference.
__________________________
3(1) + 5
= = > 3 + 5
= = > 8
3(2) + 5
= = > 6 + 5
= = > 11
3(3) + 5
= = > 9 + 5
= = > 14
A.P. = 8, 11, 14............
T1 = 8
T2 = 11
T3 = 14
Common difference, d => T2 - T1 => 11 - 3 => 8
Hope it's useful
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