Question

Find the value of 6 + 66 + 666 + 6666 +hellip;hellip;hellip;hellip;.. + n terms. 1. `(2)/(3) ((10 xx (10^(n)- 1))/9 -
n)` 2. `(2)/(3) ((10 xx (10^(n)- 1))/9 )` ` ` 3. `(2)/(3) ((10 xx (10^(n) + 1))/9 )` ` ` 4. `(2)/(3) ((10 xx (10^(n)- 1))/9 + n )`

A 1
B 2
C 3
D 4
Practice Next

Hey! Ask a query