Recent content by abc

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    Undergrad Solve the Puzzle: 6 Men & Their Wives Seating Arrangement

    6 men with their wives ( total of 12 ) in how many ways can they sit in a circular table but no man sits beside his wife ? needs smart people cheers abc
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    Undergrad  Solve Math Puzzle: 6 Men + Wives Sitting in a Circle

    6 men with their wives ( total of 12 ) in how many ways can they sit in a circular table but no man sits beside his wife ? needs smart people cheers abc
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    Questions About Inertia and Breaking Eggs

    hey all i have some doubts 1. does inertia depend on body's speed 2. why is it difficult to break an egg when it is hold in a specific position
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    High School Formal definition of what the symbol 0

    do u mean this n! = n(n-1 ) (n-2 ) ...... 3*2*1
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    High School Formal definition of what the symbol 0

    dear matt as u said i have just today studied the factorial at class ... and when the teacher explained the definition of ...then said that 0!=1 ... it was weird to me and i didn't have the time to ask him about it ... so if u would explain ... please start from the zero ... so i could...
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    High School Formal definition of what the symbol 0

    i really didn't understand that ... could u please reexplain it in an easier way ... and i will be so thankful to u cheers abc
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    High School Formal definition of what the symbol 0

    hellooooooooooo everybody ! can anyone please prove the following : 0! = 1 cheers abc
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    Help with Newton's Problem | Get Assistance Here

    thanx all for replying ... regard abc
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    Help with Newton's Problem | Get Assistance Here

    thanx HallsofIvy ... but the answer written in the book is 4.05 ( but i don't know the steps to bring this answer ) dear locrian... do u mean this >>>> sum F= 0 ? thanx guys ... but please continue to solve this problem
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    Help with Newton's Problem | Get Assistance Here

    a = 5.4 Newton >>>> i think it is not clear in the attachment ?
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    Help with Newton's Problem | Get Assistance Here

    can anyone help me in this problem ? see the attachment please
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    Smallest Cell: What is the Human Body's Tiny Building Block?

    smalest cell ? what is the smallest cell in the human's body ? regards abc
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    High School Solving Quadratic and Trigonometric Equations

    2 questions ... 1- solve : 5 > x^2 >= -9 : x belongs to R ---------------------------------------------- 2- solve : cos (x+30) - sin (2x) = 0 45 >= x >= 0 ---------------------------------------------- thanx regards abc
    • abc
    • Thread
    • Quadratic Trigonometric
    • Replies: 7
    • Forum: General Math
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    Undergrad What is the solution to a^3+b^3+c^3 = 495, a+b+c = 15, and abc = 105?

    solve : a^3+b^3+c^3 = 495 a+b+c = 15 abc = 105 thanx regards abc
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    High School Prove a^2+b^2+c^2 ≥ ab + ac + bc | ABC

    can anyone prove this : a^2+b^2+c^2 ( is greater or equal to ) ab + ac + bc thanx regards abc