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

What is the fraction for 2.3125? Improper fraction form
An ice cube melts when its mechanical energy increases.
a(n) ____________ is a substance in which all the exact combinations of elements are always the same. a.synthetic element b.compound c.mixtures d.solution
What pressure, in millimeters of mercury (mm Hg), is equivalent to 2.13 atmospheres
Sam borrows $1,000 from a bank that is charging eight percent simple interest per year. If he pays the loan back in six months, how much interest will he pay?
How many moles of ca(oh)2 are in 25ml of 1.5 M solution?
What is the fraction for 2.3125? Improper fraction form
why are average temperatures higher at the equator than near the poles?
Which word in the sentence should be capitalized? our marching band performed at a football game last weekend. A. Marching B. Weekend C. Football D. Our
hat was the first military setback for Hitler's forces?