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CAT Preparation: Permutations & Combinations
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science and eng courses
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- <!-StartTopHeaderWithNavigation-> <!-Start_SignInBar-> <!—[if gte mso 9]> Normal 0 false false false ...
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- Ask The Experts Ques: 31 If what are the possible values of ? Solution: Note that Because it follows that Similarly, because we conclude that Combining the above ...
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- Ask The Experts Ques: 25 Show that one can use a composition of trigonometry buttons such as, and to replace the broken reciprocal button on a calculator. Solution: ...
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- Ask The Experts Ques: 21 Let ABC be a triangle. Prove that Solution: For part (a), if triangle ABC is non-acute, the left-hand side of the inequality is nonpositive, a...
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- Hi this is IIT JEE-2009 information broucher.The information broucher is available on right bottom of the “published in ” in the sane page.
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- Ask The Experts Ques: 18 In triangle ABC, show that Solution: By the extended law of sines,establishing (a).By the same token, we havewhich is (b).Note that: By the ex...
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- Ask The Experts Ques: 16 Let ABC be a triangle. Prove that Solution: By Question 2, we haveThe arithmetic–geometric means inequality yieldsCombining the last two equal...
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- Ask The Experts Ques: 6 Let a, b, c, d be numbers in the interval such thatProve that Solution: Rewrite the two given equalities asBy squaring the last two equalitie...
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- Ask The Experts Ques: 1 Prove that First Solution: We will show that Indeed, by the addition and subtraction formulas, we obtain Second Solution...
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- Ask The Experts Law of Cosines In a triangle ABC, and analogous equations hold for and . Median formula This is also called the length of the median formula. Let AM b...
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Sine Rule and Practice Problems
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- For more information regarding this concept, I suggest you to go through the lesson Sine Rule & Practice Problems
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- Ask The Experts Arithmetic–Geometric Means Inequality If n is a positive integer and are non-negative real numbers, then with equality if and only if . This ineq...
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- Ask The Experts Friends, in this lesson I am going discuss about the “Sine Rule” and the “Extended Rule of Sine” which are quite simple rules to pro...
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CIRCLES
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- <span style=”font-family:times; font-size:20px; color:BLUE;”>DEFINATION OF CIRCLE. <span style=”font-family:times; font-size:15px; ...
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Find the each of the length?
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- Lesson 11.1The centers of the two circles are the points P and Q. The radius of circle P is 8; the radius of circle Q is 12. Find each distance. a) SQ &nb...
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Introductory Trigonometry
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- Ask The Experts Introduction to Trigonometry Trigonometry, or “trig” as all the cool guys call it, is the branch of mathematics that deals with triangles, ...
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- Special Thanks goes to our community manager Adam Kosh for assisting me with figuring out the Math Formula
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Greek Alphabet
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- This video is to help students in math and science classes learn the Greek alphabet. The pronunciation is the English way of saying the letters in an American accent. It is NOT ...
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- Tips on how to get the most usage out of your calculator. No previous knowledge assumed.
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Calculator Tips
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- General tips on how to better use your calculator.
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Getting a Math Tutor
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- Tips on how to find a good math tutor.
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Additional Tips
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- Additional tips to help you earn better grades in your math class.
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High Tech Suggestions
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- High tech study tips for math students.
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Study Tips
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- Tips to help you with your math studies.
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Tools of the Trade
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- Tools to help you with your math studies.
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The Key to Success
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- Learn the key to be successful in your math class.
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- Learn how to get started with your math studies and with my videos.
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