How to solve this the fastest way ??
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If you come to know another method faster than this please inform
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You just have to put some value in place of x and find P(x) now substitute the same value in all the options (wherever there is x). For instance, in your question x can be replaced by a or b or c. This makes one the terms 1 and the other two 0. Now your answer is a) 1
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