Question

PLEASE HELP ME!!!!!!

Answer 1

`\huge \red{ c_3 = - 1}`

Explanation:

`c_1 = 1 \\ \\ </p><p>c_n= - 2c_(n-1)+5 \\ \\ c_2 = - 2c_(2-1)+5 \\ \\ c_2 = - 2c_(1)+5 \\ \\ c_2 = - 2(1)+5 \\ \\ c_2 = - 2+5 \\ \\ \huge \purple{c_2 =3} \\ \\ c_3 = - 2c_(3-1)+5 \\ \\ c_3 = - 2c_(2)+5 \\ \\ c_3 = - 2(3)+5 \\ \\ c_3= - 6+5 \\ \\ \huge \red{ c_3 = - 1}`