What are the values of r and A sub 1 for this series? the sum from k is equal to 1 to 3 of 0 point 4 5
A
r is equal to 0 point 4 5 ; A sub 1 is equal to 8B
r is equal to 8 ; A sub 1 is equal to 3C
r is equal to 0 point 4 5 ; A sub 1 is equal to 3D
r is equal to 8 ; A sub 1 is equal to 0 point 4 5