Find the 50th term of ap 15 12 9
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2
Tn=a+(n-1)d
T50=15+(50+1)(-3). (d=-3 as 12-15=-3)
T50=15+(49×-3)
T50=15-147
T50=-132
Therefore 50th term of AP 15,12,9... is -132.
T50=15+(50+1)(-3). (d=-3 as 12-15=-3)
T50=15+(49×-3)
T50=15-147
T50=-132
Therefore 50th term of AP 15,12,9... is -132.
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a= 15, d = -3 & n = 50 ,
tn = ?
tn = a + ( n - 1 ) d
t50 = 15 + (50 - 1) (-3)
= 15 + 49( - 3 )
= 15 - 147
= -132
-132 is the 50th term of given AP
tn = ?
tn = a + ( n - 1 ) d
t50 = 15 + (50 - 1) (-3)
= 15 + 49( - 3 )
= 15 - 147
= -132
-132 is the 50th term of given AP
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