find the number of terms in the arithmetic progression 7,13,19,...20
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Dear friend,
The AP in your question is incomplete, the complete AP is 7 , 13 ,19...205.
Here's your answer...
Here, a = 7, d = (13 - 7) = (19 - 13) = 6 and
an = 205 So, n = ?
By using formula,
an = a + (n - 1 )d
205 = 7 + (n - 1)6
205 = 7 + 6n - 6
205 = 1 + 6n
205 - 1 = 6n
204 / 6 = n
34 = n
Therefore,number of terms is 34 in the given AP.
Hope it helps you !!
Please mark my answer as brainliest !
The AP in your question is incomplete, the complete AP is 7 , 13 ,19...205.
Here's your answer...
Here, a = 7, d = (13 - 7) = (19 - 13) = 6 and
an = 205 So, n = ?
By using formula,
an = a + (n - 1 )d
205 = 7 + (n - 1)6
205 = 7 + 6n - 6
205 = 1 + 6n
205 - 1 = 6n
204 / 6 = n
34 = n
Therefore,number of terms is 34 in the given AP.
Hope it helps you !!
Please mark my answer as brainliest !
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