probability of an event and its negation satisfy the relation 5x+2y=4. find the probability of the event
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5x+2y=4
5×+4=2y
9x=2y
xy=9_2
×y=7
5×+4=2y
9x=2y
xy=9_2
×y=7
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Answer:
xy=7 is the answer
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