Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #101 20120714 01:59:53
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #102 20120714 22:47:32
Re: Objective TypeHi anonimnystefy and bobbym, (a) 1 (b) (c) (d) 0 Character is who you are when no one is looking. #103 20120714 22:49:30
Re: Objective TypeHi ganesh The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #104 20120714 22:51:28
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #105 20120715 22:22:20
Re: Objective TypeHi anonimnystefy and bobbym, (a) x^{2}  4x + 1 = 0 (b) x^{2} + 4x + 1 = 0 (c) x^{2}  4x  1 = 0 (d) x^{2} + 4x  1 = 0 Character is who you are when no one is looking. #106 20120715 22:25:09
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #107 20120716 22:21:00
Re: Objective TypeHi bobbym, (a) (b) (c) (d) None of these 78. When A and B are mutually exclusive events, then = _______________ (a) 0 (b) P(A) (c) P(B) (d) None of these Character is who you are when no one is looking. #108 20120716 22:48:04
Re: Objective TypeHi ganesh; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #109 20120717 01:06:55#110 20120717 22:23:51
Re: Objective TypeHi bobbym and careless25, The answers 78 (bobbym) and 77 & 78 (careless25) are correct. Well done! 79. When is divisible by x  1, the value of a is __________________ (a) 7 (b) 7 (c) 6 (d) 5 80. The roots of the equation x^{2}  4 = 0 are ______________ (a) real and equal (b) imaginary (c) unreal (d) real and unequal Character is who you are when no one is looking. #111 20120718 04:11:06
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #112 20120718 11:02:54#113 20120718 22:46:43
Re: Objective TypeHi bobbym and careless25, bobbym : Both the answers are correct. Well done! 81. The length of the diagonal of a square of side √8 cm is _____________ (a) √8 cm (b) 4 cm (c) 2 cm (d) 8 cm 82. The slope of the line y = 7 is __________________ (a) 1 (b) 7 (c) 0 (d) None of these Character is who you are when no one is looking. #114 20120718 22:49:03
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #115 20120719 22:18:24
Re: Objective TypeHi bobbym, Character is who you are when no one is looking. #116 20120719 23:04:56
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #117 20120720 21:07:58
Re: Objective TypeHi bobbym, Character is who you are when no one is looking. #118 20120720 21:16:36
Re: Objective TypeHi ganesh; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #119 20120721 03:11:43
Re: Objective TypeHi ganesh The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #120 20120721 21:50:27
Re: Objective TypeHi bobbym and anonimnystefy, 87. Given A = {1,2,3,4} and B = {3,4,5,6}, B  A = __________________ (a) {1,2} (b) {3,4} (c) {5,6} (d) {} 88. The quadratic equation with the roots ±1 is ____________________ (a) x² + 1 = 0 (b) x² + x + 1 = 0 (c) x + 1 = 0 (d) x²  1 = 0 Character is who you are when no one is looking. #121 20120721 22:15:26
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #122 20120721 22:52:29
Re: Objective TypeHi ganesh The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #123 20120722 22:28:51
Re: Objective TypeHi bobbym and anonimnystefy, Character is who you are when no one is looking. #124 20120723 00:35:01
Re: Objective TypeHi ganesh The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #125 20120723 01:15:09
Re: Objective TypeHi; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. 