anonymous
  • anonymous
how to solve equation ie A^4+7a^2+1(3)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
is it supposed to be A and a? and that last part is just 1 * 3?
anonymous
  • anonymous
\[a ^{4}+7a ^{2}+3\] is that the equation?
anonymous
  • anonymous
yea

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anonymous
  • anonymous
use quad formula a= (-i) sqrt[(7 - Sqrt[37])/2], i Sqrt[(7 - Sqrt[37])/2], (-i) Sqrt[(7 + Sqrt[37])/2], i Sqrt[(7 + Sqrt[37])/2]
anonymous
  • anonymous
it is a parabola with a vertex at (0,3) and never crosses the x-axis so no solutions (roots, zeroes)
anonymous
  • anonymous
are you sure that this equation has no solution
anonymous
  • anonymous
btm is right, there are no REAL solutions notice how all the values i provided has i in it? it's imaginery
anonymous
  • anonymous
are you graphing to find a solution...what section/concept is it
anonymous
  • anonymous
actually im a student of accoutant .today was our test and in that test this was the question .to solve this equation
anonymous
  • anonymous
can u please tell me the reason why it is unsolveable
anonymous
  • anonymous
it is unsolvable by graphing because it will not touch the x axis but mathematically (ie using the quadratic formula) you will be able to get the roots they are the real roots, they're imaginary roots
anonymous
  • anonymous
thanks buddy
anonymous
  • anonymous
sure thing

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