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

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

  • -7
It's clear sir where are you?
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What are you looking for?