Find $S _ { 1 } , S _ { 2 }$ and $S _ { 6 }$ for $a _ { n } = 8 n + 9$ .
A) $S _ { 1 } = 17 ; S _ { 2 } = 34 ; S _ { 6 } = 102$
B) $S _ { 1 } = 17 ; S _ { 2 } = 25 ; S _ { 6 } = 57$
C) $S _ { 1 } = 17 ; S _ { 2 } = 25 ; S _ { 6 } = 177$
D) $S _ { 1 } = 17 ; S _ { 2 } = 33 ; S _ { 6 } = 177$
E) $S _ { 1 } = 17 ; S _ { 2 } = 42 ; S _ { 6 } = 222$

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The Answer is E

Find S1,S2S _ { 1 } , S _ { 2 }S1​,S2​

Find $S _ { 1 } , S _ { 2 }$