how many terms are there in the following Arithmetic Progressions. 1)7,13,19,...............205
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answer for the given problem is given
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Step-by-step explanation:
Tn = a + (n - 1)d
a = 7’ d =13 - 7=19 - 13= 6, Tn = 205
205 = 7 + (n - 1)6
205 = 7 + 6n - 6
205 = 1 + 6n
205 - 1 = 6n
204 = 6n
n = 34
There are 34 terms
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