If x=1/5+1 3/ 5 10 +1 3 5/5 10 15 + infinite, then 3x^2+6x= 1; - Maths - Sequences and Series

Question

If x=1/5+1 3/ 5 10 +1 3 5/5 10 15 + infinite, then 3x^2+6x=?
1; 2; 3; 4

Divyalok Jaiswal · Answer

Sorry Arvind, your question is not clear
Can you please post the image of the question I'll definitely help
you !!

If x=1/5+1.3/ 5.10 +1.3.5/5.10.15 +....infinite, then 3x^2+6x=? 1; 2; 3; 4