c) Two departments of size ten ({a1,., a10} and {b1,.., b10}) choose two members to participate in a committee a4, a5, b, and b,. The committee has a chair, but no other members are ranked. How many...

Discrete Math

Extracted text: c) Two departments of size ten ({a1,., a10} and {b1,.., b10}) choose two members to participate in a committee a4, a5, b, and b,. The committee has a chair, but no other members are ranked. How many unique committees exist? (e.g. Chair: a2, Members: a3, b2, bg is an example) d) Consider the following equation of non-negative integers, x1, 12, T3 such that 1+12+ 13 = 20. Let x, = max(x1,T2, 13). What is the minimum value for r;?