randomdude randomdude
  • 24-03-2015
  • Mathematics
contestada

is 81x squared minus 1 a perfect square

Respuesta :

AL2006
AL2006 AL2006
  • 24-03-2015

No.  It's the product of  (9x + 1) and (9x - 1) .


Answer Link

Otras preguntas

Find the m∠DEC, if m∠BAC = 50° and m∠CBA = 70°
Ciliates have complex internal structures involved in different functional systems. Which organelles aid in their digestion process?
How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places?
kelly ran 2 miles and burned 240 calories. the next day she ran 3 miles and burned 360 calories. the next day4 miles and 480 miles. if this pattern continues, h
Which geographic factors influenced the location of Russia’s first civilization in what is today Ukraine? sheltered harbors and short winters deep valleys an
What is the equilibrium constant expression for dissolving calcium carbonate in water?
describe the placement of the crucible lid on the crucible when heating the magnesium. Why is it important that this be done correctly?
a train accelerated from 5 km/hr in 0.5 hours. what was the rate of acceleration?
In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "cross over" and exchange genetic information? A) prophase I B
Which number completes the inequality? -5.13< ?< -4.8