Answer:
S₃ = 37
Step-by-step explanation:
given a₁ = 16 and r =
, then
a₂ = a₁ ×
= 16 ×
= 12
a₃ = a₂ ×
= 12 ×
= 9
then
S₃ = a₁ + a₂ + a₃ = 16 + 12 + 9 = 37
ok so I know I'm not giving the answer but if you look up (ma th way) you can get the answers for 1 and 2
Answer:
soln,
U={a,b,...,i,j}
A={a, b, d, g}
B={d, e, f, g}
C={a, d, e, j}
given
(A∩B)∪C
or,[{a, b, d, g}n{d, e, f, g}]UC
or,[{d,g}U{a, d, e, j}]
or,{a,d,e,g}