Question

care e al 99-lea numar sirului 1,3,5,7,9...​

Answer 1

tₓ = 2(x - 1) + 1

t₁ = 2(1 - 1) + 1 = 2ₓ0 + 1 = 1

t₂ = 2(2 - 1) + 1 = 2ₓ1 + 1 = 3

t₉₉ = 2(99 - 1) + 1 = 2ₓ98 + 1 = 196 + 1 = 197