if 10 times of 10th term is equal to 20 times of 20th of an ap find its 30th term
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Answered by
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10(t10)=20(t20)
10(a+9d)=20(a+19d)
10a+90d=20a+380d
10a+290d=0
a+29d=0......................................1
term 30=a+29d
from 1
a+29d=0
therefor term 30 of Ap is 0
hope it helps
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10(a+9d)=20(a+19d)
10a+90d=20a+380d
10a+290d=0
a+29d=0......................................1
term 30=a+29d
from 1
a+29d=0
therefor term 30 of Ap is 0
hope it helps
/#Aj#/
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Answered by
2
given
10 (a+9d) = 20(a+19d) - - - - - 1 equation
a^^30 =??????
we get a30 = 0
HOPE IT HELPED U
10 (a+9d) = 20(a+19d) - - - - - 1 equation
a^^30 =??????
we get a30 = 0
HOPE IT HELPED U
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