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Q : How To find Nth term in number pattern.
Answers
Answered by
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Explanation:
nth term = a+ (n-1)d = Last number
a = 1st term
d = common difference
n= nummer of terms
for example 5th = a+(5-1)d
=a+4d
Answered by
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Answer:
an =a + (n - 1) × d
Explanation:
where
a = first term
d = common difference
n = number of terms
an = nth term
example:
find the nth term of AP 1,2,3,4,5....an., if the number of terms are 15
solution:
a = 1
d = t2 - t1
= 2 - 1
= 1
n = 15
therefore, by using formula:
an = a + (n - 1) × d
an = 1 + (15 - 1) ×1
an = 1 + 14
an = 15
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