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Grade: 11
        

prove that x=a+b for all x>=4 (x is a even number) where a,b belongs to prime numbers

7 years ago

Answers : (3)

Priyansh Bajaj AskiitiansExpert-IITD
30 Points
							

Dear Sanjana,

You have not provided sufficient information or you had copied the question incorrectly. Consider a case in which 'a' and 'b' be 3 and 5 (which are prime no.'s) respectively, and 'x' be 10 (which is >= 4 and also an even no.). Then, 'x is not equal to (a+b) [Since, 8 is not equal to 10].

Kindly, post the question correctly.

Please feel free to post as many doubts on our discussion forum as you can. If you find any question
Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation.

All the best Sanjana!!!

Regards,
Askiitians Experts
Priyansh Bajaj

7 years ago
sanjana rajendran
29 Points
							

we have to prove that any x can be represented as a sum of 2 prime numbers where x is even number greater than 4

7 years ago
mycroft holmes
272 Points
							

Anyone who solves this is entitled to $ 1 million from Clay Math Institute, because you would be proving the Goldbach conjecture that has remained unproved for several decades!

7 years ago
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