Question
The equation 
has
- 2 solutions in (0,
)
- 4 solutions in (0,2)
- 2 Solutions in (-,)
- 4 Solutions in (-,)
)
)
,),)The correct answer is: 4 solutions in (0,2)
(not possible for real x)
Hence, the solutions are x = 0, p, 2p, 3p.
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In how many ways can 6 prizes be distributed equally among 3 persons?
In combinatorics, the rule of sum or addition principle states that it is the idea that if the complete A ways of doing something and B ways of doing something and B ways of doing something, we cannot do at the same time, then there are (A + B) ways of choosing one of the actions. In this question, there is a possibility that the student might miss considering all the cases. They may forget to consider case 2 and get a different answer.
