Thursday, 7 September 2017

SETS 1


If A={e, f, g, h, i} and B={a, h, b, c, g} Find n(AuB)

Solution

n(AuB) means everything found in A and B. If repetition occurs we take one element to represent others.

Hence n(AuB) = {a, b, c, e, f, g, h, i} answer

TRY THIS………………….


If R={e, f, g, h, I, p, q, r} and V={a, h, b, c, g, p} Find n(RuV)


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