From the Venn diagram below, how many elements are in P&c...
From the Venn diagram below, how many elements are in P∩Q?
1
2
4
6
Correct answer is B
P \(\cap\) Q = {f, e} = 2
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The sum to infinity of the series: 1 + (1/3) + (1/9) + (1/27) + ... is ...
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Halima is n years old. Her brother's age is 5 years more than half of her age. How old is her br...