# maths

1) if x+1/x=2,then x^2012+1/x^2012=?
2)if A>B>C>D,find the digits A,B,C,D (which are from1 to 9), so that
ABCD-DCBA=BDAC.
3)solve:px-qy=r and rx-py=q.

1. 👍 0
2. 👎 0
3. 👁 165
1. x + 1/x = 2
x = 1
x^n + 1/x^n = 2 for any n

7641-1467=6174

x = p(pr-q^2)/(p^2-rq)
y = (r^2-pq)/(p^2-rq)

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Ed tech- Plz, plz help

The Second Industrial Revolution was not just marked by new inventions. New business practices were invented that transformed America’s economy. Between 1869–1910, the value of American manufacturing rose from \$3 billion to

2. ### MATH!!!

Writing a linear equation You are given the 2012 value of a product and rate at which the value is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar V of product in

3. ### Educational tech-1 question

Use the text below written by Connections Education in 2012 to answer the following questions. The Second Industrial Revolution was not just marked by new inventions. New business practices were invented that transformed

4. ### SAT math

The population of a city can be modeled using the formula P=100,000e^(0.05t), where t is the number of years after 2012 and P is the city's population. Which of the following equations can be used to find the number of years after

1. ### Chemistry

Which aqueous solution below is expected to have the lowest freezing point? Assume 100% dissociation for ionic species. 1)0.25m MgBr2 2)0.30m Na2SO4 3) 0.50m KCl 4) 1.0m sucrose 5) 0.40m Cr(NO3)3 I think that the answer is

2. ### Physics to drwls question to answer given earlier

A 0.700-kg ball is on the end of a rope that is 0.90 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0°

3. ### Chemistry (DrBob222)

Hi Dr. Bob would you please tell me what D rpresents? Thank you! What is the reactant, products, and what compounds is it? Is it H2O, O2, or what? What are the transition molecules? Help please. Do as below to get to the image. I

To Ms. Sue - Laruen, Sunday, April 22, 2012 at 6:05pm The radial artery is found close to the inside part of your wrist near your thumb. To Ms. Sue - Ms. Sue, Sunday, April 22, 2012 at 6:11pm Right!! To Ms. Sue - Laruen, Sunday,

1. ### Math *URGENT

Please give the answers and solutions for each. 1.If the second term is 2 and the seventh term of a geometric sequence is 64, find the 12th term. 2. Which term if the geometric sequence 18,54,162,486,... is 3,188,646? 3. Determine