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"P and Q are disjoint sets and number of elements in P is 7. The number of elements in the union of their respective power sets is 143. Find number of elements in power set of PUQ." I guess instead of 143 it should be 144, the reason for which I've explained in the attachment. Please tell if I'm wrong​

P And Q Are Disjoint Sets And Number Of Elements In P Is 7 The Number Of Elements In The Union Of Their Respective Power Sets Is 143 Find Number Of Elements In class=