Question

an=6n2+5n find common difference

Answer 1

HELLO DEAR,

$given \: that \\ a_{n} = 6 {n}^{2} + 5n \\ now \: putting \: n = 1 \\ and \: 2 \: and \: 3 \\ = > a_{1} = 6 \times 1 + 5 \times 1 = 11 \\ = > a_{2} = 6 \times {2}^{2} + 5 \times 2 = 24 + 10 = 34 \\ = > then \: common \: difference \: = a_{2} - a_{1} = 34 - 11 = 23 \\ i \: hope \: its \: help \: you \: dear \: \\ \: thanks$