24. If the first term of the A.P 2
is 1 and common difference is
4, then which term of the A.P
is 77 *
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Answered by
2
Answer:
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Answered by
3
Answer:
20th term
Step-by-step explanation:
Given = first term,a = 1
common difference = 4
an = 77
We know that,
an = a + (n-1)d
77 = 1 + (n-1)4
=> 1+(n-1)4 = 77
=> (n-1)4 = 77 - 1
=> (n-1)4 = 76
=> (n-1) = 76/4
=> (n-1) = 19
=> n = 19+1
=> n = 20
Hence the 20th term will be 77
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