Q. 0.9+0.99+0.999+..........n terms. this question is chapter Sequence Series . please give me answer of this question any please
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sn= 0.9+0.99+....n
9 [0.1+0.11 +0.11+...n]
9 [1/10square -1+1/10cube-1+...n]
[1/10square +1/10cube....1/10powern]-[1+1+1+....n]
=9 [1/10square +1/10cube +1/10powern]-n
9 [0.1+0.11 +0.11+...n]
9 [1/10square -1+1/10cube-1+...n]
[1/10square +1/10cube....1/10powern]-[1+1+1+....n]
=9 [1/10square +1/10cube +1/10powern]-n
yshu50:
nice question
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hope.... It helps you...
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