bantu jawab please!!
Sn = 4n² + 3n
S₄₀ = 4.40² + 3.40 S₃₉ = 4.39² + 3.39
= 4.1600 + 120 = 4.1521 + 117
= 6400 + 120 = 6084 + 117
= 6520 = 6201
U₄₀ = S₄₀ - S₃₉
= 6520 - 6201 = 319
[answer.2.content]
Sn = 4n² + 3n
S₄₀ = 4.40² + 3.40 S₃₉ = 4.39² + 3.39
= 4.1600 + 120 = 4.1521 + 117
= 6400 + 120 = 6084 + 117
= 6520 = 6201
U₄₀ = S₄₀ - S₃₉
= 6520 - 6201 = 319
[answer.2.content]