Recent content by Ebn_Alnafees

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    High School Electric field is zero inside a conductor?

    thank you all i think i got it
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    High School Electric field is zero inside a conductor?

    what is the physical explanation of the fact that the electric field is zero inside a conductor? :confused:
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    Graduate Geometric Problems: Can You Help Me Find Solutions?

    any 1 for 3 and 4
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    Proving the Divisibility of Sum of Digits in Consecutive Natural Numbers by 11

    Problem 1 Prove that among any 39 consecutive natural numbers it is always possible to find one whose sum of digits is divisible by 11. Problem 2 Sets of 4 positive numbers are made out of each other according to the following rule: (a, b, c, d) (ab, bc, cd, da). Prove that in this...
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    Graduate Geometric Problems: Can You Help Me Find Solutions?

    thanx tenaliraman
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    Arabian Scientist Ebn Alnafees & Blood Circulation Discovery

    that ebn alnafees (who is an arabian scientist) was the first to discover the blood circulation
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    Graduate Geometric Problems: Can You Help Me Find Solutions?

    Problem 1 Prove that if for {a, b, c} R and all n N there exists a triangle with the sides an, bn and cn, then all of these triangles are isoscoles. Problem 2 A circle with a radius of 6.25 is circumscribed around a triangle with the sides a, b and c. Find these sides, if {a, b, c}...