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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Please solve it immediately!!!!!
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aggmegha90 (63)

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I have a problem in series like these....please help!
 
Find the sum of n terms and sum upto infinite terms:
(12.2)/1!  + ( 22.3)/2!  +   (32.4)/3!  +   (42.5)/4! +...........
 
 
2/1!  +  6/2!  +  12/3!  +  20/4!  +  .................
 
1  +  (1.3)/6  +  (1.3.5)/(6.8)  +..............
    
aggmegha90 (63)

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please help!
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ramkumar_november (1266)

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find sum up to n terms Sn..... and then find lim(n-->infinty)Sn ....... to find the sum of infinite series....
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aggmegha90 (63)

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can u explain it more clearly
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aggmegha90 (63)

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please solve this q
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rachit12 (363)

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can u give options to find upto n terms??

see da "letter to santa" in ma album ...!!!
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aggmegha90 (63)

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ya sure just wait
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aggmegha90 (63)

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for 1st q :
a)5e
b)3e
c)7e
d)2e


for 2nd q
a)3e/2
b)e
c)2e
d)3e


for 3rd q
a)1
b)0
c)infinity
d)4
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rachit12 (363)

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dats d options fr infinite sum or upto n terms???

see da "letter to santa" in ma album ...!!!
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aggmegha90 (63)

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i have option only for infinite sum......whats ur ans??
how have u solved??
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rachit12 (363)

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ok so u want upto infinite sum....
kk..
wait.....

see da "letter to santa" in ma album ...!!!
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rachit12 (363)

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phew...
srry nahi solve ho rahe....

see da "letter to santa" in ma album ...!!!
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aggmegha90 (63)

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please try....these ques came in upsee....i m trying to solve these since morn havnt been able to
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rachit12 (363)

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i tried solvin throgh exponential series....but ans is nt comin....
i think ddere must be some oder method......

plzz solve even want d solution of dese.....

see da "letter to santa" in ma album ...!!!
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aggmegha90 (63)

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tell me how u started
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