Section 1 - Question 2Alice is deriving the formula for the sum of a finite geometric series. Her work for the first two steps is shown. Assume for each step that rSn = a₁ + a₁ + a² +₁³+...+₁-1rSn = a₁ + a² + a₁³ +₁²+...+₁Which of the following is the correct remaining three steps to derive the formula?escAB9aCSnrSn = a1-a₁Sn (1-r) = a₁ (1)Sn = a₁(1-p")1-r©2022 Illuminate Education TM, Inc.ZSn+rSn = a₁ + a₁²Sn (1+r) = a₁ (1+²)Sn = 91(1+r)1+rSnrSn = a₁a₁-1Sn (1-r) = a₁ (1-1)Sn = 91(1-7)1-r@2WS→>>X#3edC$4CfPA%5Vt6Shpyb&7h*008nOi Which of the following is the correct remaining three steps to derive the formula?Sn-rSn = a1 - ₁Sn (1-r) = a₁ (1-7)Sn = a1 (1-pm)escA1BCDSn+rSn = a₁ + a₁m²Sn (1+r) = a₁ (1+²)a₁(1+r)Sn =1+rSn-rSn = a₁-₁²-1Sn (1-r) = a₁ (1-p²−1)a₁ (1-1)Sn =1-rSn+rSn = a₁ + ₁²-1S₂ (1+r) = a₁ (1 + pr−1)S₁ =©2022 Illuminate Education TM, Inc.a₁(1+r)1+r®29 W# 3e4rt6hp87&

The given expressions are:Sn=a1+a1r+a1r2+a1r3+...+a1rn-1 ........…

Section 1 - Question 2 Alice is deriving the formula for the sum of a finite geometric series. Her work for the first two steps is shown. Assume for each step that r Sn = a₁ + a₂r+a₁² +₁³+...+₁²²-1 rSn = a₁ + a² + a₁²³ +₁²+...+₁² Which of the following is the correct remaining three steps to derive the formula? A B Sn-rSn = a₁-a1 Sn (1-r) = a₁ (1-¹) a₁ (1-1) 1-r Sn = Sn+rSn = a₁ + a₂ S₂ (1+r) = a₁ (1+p²²) Sn = ª1(1+r) 1+r Sn-rSn = a₁a₁-1 S₁ (1-r) = a₁ (1-1) Sn = 8:(1-7)