1 + (1/3) + (1.3 / 3.6) + (1.3.5 / 3.6.9) + (1.3.5.7 / 3.6.9.12) ........ = ?
Answers
Answered by
7
here the question is of binomial
so let s = 1 +(1/3)...
so the formula is (1-x)ⁿ where ║x║ < 1 and n is negative
the formula is 1+nx+(n+1)nx²/2!...
on comparing we get x = 2/3 and n = 1/2
the answer is ( 1-2/3)⁻°⁻⁵
which is equal to
so let s = 1 +(1/3)...
so the formula is (1-x)ⁿ where ║x║ < 1 and n is negative
the formula is 1+nx+(n+1)nx²/2!...
on comparing we get x = 2/3 and n = 1/2
the answer is ( 1-2/3)⁻°⁻⁵
which is equal to
MallikaSarabhai:
the answer is root 3 .
Similar questions