Let (X,B) be a t-(v, k, ) design. (a) For 0 < s...

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Let (X,B) be a t-(v, k, λ) design. (a) For 0 < s <t, show that (X,B) is an s-(v, k, p) design for some p = N and find a formula for p in terms of t, v, k and λ. (b) Show that is an integer for 0 ≤ i ≤t - 1. ข ― t * (C = 1) / (b = ?) ― Let (X,B) be a t-(v, k, λ) design. (a) For 0 < s <t, show that (X,B) is an s-(v, k, p) design for some p = N and find a formula for p in terms of t, v, k and λ. (b) Show that is an integer for 0 ≤ i ≤t - 1. ข ― t * (C = 1) / (b = ?) ―