4. Annabel and Beth frequently play two games of badminton against each other. Whenever they play the probability that Annabel will win the first game is 1/3.When Annabel wins the first game, the probability that she will win the second game is 3/5.When Annabel loses the first game, the probability that she will win the second game is 1/4.Using a tree diagram, calculate the probability that when Annabel and Beth play two games of Badminiton against each other, (a) Beth will win both games. (b) Annabel will win only one of the two games.
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STEP 1=>Expand 2(x-5) =2x-10 We now have, 5x² - 5x +12 - 3x² +2x - 10 STEP 2=>Collect ... How do you solve 5^2x - 6 (5^x+1) + 125?
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