Which term of an AP:2,-1,-4,.........IS -70
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here first term (a) = 2
common difference (d) = -3
an = -70
a + (n-1)d = -70
2 + (n-1)(-3) = -70
(n-1)(-3) = -72
n-1 = 24
n = 25
Hence 25th term of this AP is -70
HOPE THIS WILL HELP U :)
common difference (d) = -3
an = -70
a + (n-1)d = -70
2 + (n-1)(-3) = -70
(n-1)(-3) = -72
n-1 = 24
n = 25
Hence 25th term of this AP is -70
HOPE THIS WILL HELP U :)
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3
hope it help you....
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