The first term of an AP is -7 and the common difference is 5, find its 18th term and ANth term
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a = -7
d = 5
n = 18
an = ?
an = a + ( n - 1 ) × d
an = -7 + ( 18 - 1 ) × 5
an = -7 + ( 17 ) × 5
an = -7 + 85
an = 78
I hope this will help you...
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d = 5
n = 18
an = ?
an = a + ( n - 1 ) × d
an = -7 + ( 18 - 1 ) × 5
an = -7 + ( 17 ) × 5
an = -7 + 85
an = 78
I hope this will help you...
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