Find the real values of x satisfying the following equations a x 4 5x 2 4 0 b x 4 x 2 6 0 c x 4 20x 2 64 0 d x 4 2x 2 8 0 e x 4 4x 2 21 0 f 2x 4 17x 2 9 0 g 4x 4 6 11x 2 h 2 x 4 1 x 2 6 i 8 x 6 7 x 3 1 ...

a Let y x2 then the equation becomes y2 5y 4 0 which factors as y 1y 4 0 Thus y 1 or y 4 which means ...

Find the real values of x satisfying the following equations. a. x 4 5x 2 +

Question:

Find the real values of x satisfying the following equations.

a. x⁴ – 5x² + 4 = 0

b. x⁴ + x² – 6 = 0

c. x⁴ – 20x² + 64 = 0

d. x⁴ + 2x² – 8 = 0

e. x⁴ – 4x² – 21 = 0

f. 2x⁴ – 17x² – 9 = 0

g. 4x⁴ + 6 = 11x²

h. 2/x⁴ + 1/x² = 6

i. 8/x⁶ + 7/x³ = 1

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

See More Books

Question Posted: Aug 24, 2021 12:28 AM

See More Questions

Find all real values of x for which f(x) = 0. 1. f(x) = 15 3x 2. f(x) = 4x + 6 3. f(x) = 3x - 4/5 4. f(x) = 12 x2/8
The function f and g are defined for real values of x by a. Find gf(37). b. Find an expression for f -1 (x). c. Find an expression for g -1 (x). f(x) = Vx 1 -3 for x> 1, x - 2 g(x) = for x > 2. %3D...
Orthogonality: In Problems 1-3, find the real values of k for which the given vectors are orthogonal. If there are no such values show why? 1. 2. 3. 123 1k0 104 ]23 kok
Consider an atom diffuses in a 3 D simple cubic lattice by a random walk mechanism. The atom jumps 6 x 1 0 - 5 times per second at 3 0 0 K and 3 x 1 0 4 times per second at 6 0 0 K . Assuming that...
Consider Rn-222. a. Predict the type of radioactive decay that Rn-222 is most likely to undergo. b. Write the equation for the decay process. c. The half-life of Rn-222 is 3.82 days. If you start...
Minnesota Office Products (MOP) produces three different paper products at its Vaasa lumber plant: Supreme, Deluxe, and Regular. Each product has its own dedicated production line at the plant. It...
Assume that the partners of Exercise D-4 agreed to share net income and loss by granting annual salary allowances of $50,000 to Kramer and $40,000 to Knox, 10% interest allowances on their...
Brads Bicycle Shop sells 21-speed bicycles. For purposes of a cost- volume-profit analysis, t he shop owner has divided sales into two categories, as follows: Seventy percent of the shops sales are...
Lawn Chopper Company sells two types of lawn mowers. The first one is a basic lawn mower, which has variable costs of $50 and sells for $150. The second type is a riding tractor with variable costs...
Splendid Stereo, Inc., is a large retailer of stereo equipment. The controller is about to prepare the budget for the first quarter of 20x5. Past experience has indicated that 75 percent of the...
Solve the equation |2x 3| = |3x 5|.
Researchers in the Netherlands examined whether a variety of characteristics of New York City vacation rental listings, including the attractiveness of the hosts, predicted the price of that listing...
For the following exercises, use reference angles to evaluate the expression. csc 2/3
What are factors which hamper the promotion of an entrepreneurial culture in South Africa?
Please Help P/R End Date 2/8/2019 Company Name: Prevosti Farms and Sugarhouse Check Date 2/13/2019 Tax Name M/S # of W/H Hourly Rate or Period # of Regular # of Overtime # of Holiday Wage Hours Hours...
Read the description of following adjustments that are required at the end of the accounting period for Hubbard Repair Services, a new firm. Determine the account and amount to be debited and the...
Jamie Lee and Ross, now 57 and still very active, have plenty of time on their hands now that the triplets are away at college. They both realized that time has just flown by; over twenty-four years...
Here are summary statistics for randomly selected weights of newborn girls: n = 36, x = 3180.6 g, s = 700.5 g. Use a confidence level of 99% to complete parts (a) through (d) below. a. Identify the...
Ritt Ranch & Farm is a distributor of ranch and farm equipment. Its products range from small tools, power equipment for trench-digging and fencing, grain dryers, and barn winches. Most products are...
Refer to the Conservation Ecology (Dec. 2003) study of the causes of forest fragmentation, presented in Exercise 2.166 (p. 97). Recall that the researchers used advanced high-resolution satellite...
Prove each of these identities. a. tanA + cot A 2 cosec 2A b. 1 tan 2 A cos 2Asec 2 A c. tan2A tanA tan Asec 2A d. (cosA + 3sinA) 2 5 4 cos 2A + 3sin2A e. cot 2A + tanA 1/2 cosecA secA f....
a. Express 15sin 8 cos in the form R sin( - ),where R > 0 and 0 < < ,90. Give the value of correct to 2 decimal places. b. Hence solve the equation 15sin 8 cos = 10 for 0 < <360.
Find the exact values of: a. sec 60 b. cosec 45 c. cot120 d. sec 300 e. cosec135 f. cot 330 g. sec150 h. cot(30)
*Prepare the plant assets section of Amphonie's balance sheet at December 31, 2021 using the information below. At December 31, 2020, Amphonie Company reported the following as plant assets. Land $...
Question 1 of 1 - / 100 View Policies Current Attempt in Progress Pargo Company is preparing its budgeted income statement for 2020. Relevant data pertaining to its sales, production, and direct...
Schopp Corporation makes a mechanical stuffed alligator that sings the Martian national anthem. The following information is available for Schopp Corporation's anticipated annual volume of 500,000...

Find the real values of x satisfying the following equations. a. x 4 5x 2 +

Question:

Step by Step Answer:

a Let y x2 then the equation becomes y2 5y 4 0 which factors as y 1y 4 0 Thus y 1 or y 4 which means ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

Students also viewed these Business questions