Prove that T=2π√l/g without sentence only solvings

T = 2π√l/g

T^2 = (2π√l/g)^2

T^2 = 4π^2l/g

T^2 = 4π^2 * l/g

T^2 = (4π^2 * l)/g

T^2 = (4π^2 * l)/g

T^2 = (4π^2 * l)/g

T^2 = 4π^2 * (l/g)

T^2 = 4π^2 * (1/g) *l

T^2 = 4π^2 * (1/g) *l

T^2 = 4π^2 * (1/g) *l

T^2 = 4π^2 * (1/g) *l

T^2 = 4π^2 * (1/g) *l

T^2 = 4π^2 * (1/g) *l

T^2 = 4π^2

Therefore, T = 2π√l/g.