Prove that (x + y)(x y) x 2 y.
Question:
Prove that (x + √y)(x − √y) ≡ x2 − y.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 33% (9 reviews)
To prove that x yx y x2 y well expand the lefthand side of the equation and simplify it St...View the full answer
Answered By
Saleem Abbas
Have worked in academic writing for an a years as my part-time job.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
Question Posted:
Students also viewed these Mathematics questions
-
1. Investigate for what values of k the equations x + y + z = 1, 2x + y + 4z = k, 4x + y + 10z = k2 have infinite solutions. 2. Investigate for what values of and , the system of linear equations x...
-
(a) If S Z+ and |S| >3, prove that there exist distinct x, y e S where x + y is even. (b) Let S Z+ Z+. Find the minimal value of |S| that guarantees the existence of distinct ordered pairs (x1,...
-
The contribution income statement would require a firm to: A) Separate costs into fixed and variable categories. B) Separate revenue into different categories. C) Round off amounts to the nearest...
-
Consider the Cobb-Douglas production function f(x, y) = 300x0.85, 0.15 When x = 4000 and y = 800, find the following. (Round your answers to two decimal places.) (a) the marginal productivity of...
-
Washington County Airport (WCA) faces three potential contingency situations, described below. Their fiscal year ends December 31, 2015. Required: Determine the appropriate means of reporting each...
-
Give sentences unity. Rewrite the following long sentences making them concise and understandable. If needed, divide the content into more than one sentence to express only one main thought in each...
-
Peng Company is considering an investment expected to generate an average net income after taxes of $1,950 for three years. The investment costs $45,000 and has an estimated $6,000 salvage value....
-
A four-year financial project has net cash flows of $20,000; $25,000; $30,000; and $50,000 in the next four years. It will cost $75,000 to implement the project. If the required rate of return is...
-
On December 31, 20X8, the Receivables account of Apple Company shows an amortized cost of P1,950,000. Subsidiary details show the following: Trade accounts receivable, P725,000; Trade notes...
-
Diagram the arguments contained in the following passages. A. Shaun is going to the party with Mary, so she wont be going alone. B. Michael should just go ahead and get a new car. The one hes driving...
-
Prove that all cube numbers are either a multiple of 9 or 1 more or 1 less than a multiple of 9.
-
A student is trying to prove that x 3 + y 3 3. The student writes: a. Identify the error made in the proof. b. Provide a counter-example to show that the statement is not true. (x + y) = x3 + 3xy +...
-
The number of communications credits needed is more than the number of mathematics credits needed and the number of cultural issues credits needed is equal to the number of humanities credits needed,...
-
List the model assumptions for one-way ANOVA and briefly explain how to assess them.
-
Remember that a correctly labeled graph requires that you label all axes, curves, and equilibrium point values. The word "calculate" means you must show your work. Assume the market for Good Z is in...
-
Answer the following questions by writing a paragraph or two in English. (a) [easy] Previously we defined probability as P(A) = Describe a situtation where this fails to produce the correct...
-
Find f''(x). f(x)=5x-14x- 612x f'(x)=
-
Simplify. 32-6 3-6
-
Identify, define, and describe the three or four most important elements of an Information Security Plan. Be sure to identify and support why your selected elements are the most important.
-
Players A, B, and C toss a fair coin in order. The first to throw a head wins. What are their respective chances of winning?
-
Relate the nutrient density for total fat for the DR versus the FFQ using the quintile approach in Problem 2.28. Is the concordance between total fat for DR and FFQ stronger, weaker, or the same when...
-
Compare the exposed and control groups regarding age and gender, using appropriate numeric and graphic descriptive measures?
-
Compare the exposed and control groups regarding verbal and performance IQ, using appropriate numeric and graphic descriptive measures?
-
Your company BMG Inc. has to liquidate some equipment that is being replaced. The originally cost of the equipment is $120,000. The firm has deprecated 65% of the original cost. The salvage value of...
-
1. What are the steps that the company has to do in time of merger transaction? And What are the obstacle that may lead to merger failure? 2.What are the Exceptions to not to consolidate the...
-
Problem 12-22 Net Present Value Analysis [LO12-2] The Sweetwater Candy Company would like to buy a new machine that would automatically "dip" chocolates. The dipping operation currently is done...
Study smarter with the SolutionInn App