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Evaluate 1 + 4/5 + 7/5 2 + 10/5 3 +…… to infinite terms. Can we solve this question by using direct formula:--- lim n→∞ S n = ab/1–r + dbr/(1–r) 2 . I am nt able to evaluate it plzzz help

Evaluate 1 + 4/5 + 7/52 + 10/53 +…… to infinite terms.    Can we solve this question by using direct formula:---   limn→∞ Sn = ab/1–r + dbr/(1–r)2. I am nt able to evaluate it plzzz help

Grade:Select Grade

2 Answers

Vineeth Kumar
34 Points
8 years ago
 yes of course
 
here a=1
b1
r=1/5
d=3
Dhulipala Srikanth
45 Points
8 years ago
 YAH WE CAN SOLVE IT IS AGP FORM AND THE NUMERATOR IS IN AP AND DENOMINATOR IN GP 

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