solve in R:
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What have you tried?
Hint: Try using the rational roots theorem to see if you can get a possibility of a rational root first off.
Write it as with , which can be solved using the Quartic Formula. Then solve for ...
Could you please guide further as to how do we use quadratic formula for a bi-quadratic equation.
thanks Originally Posted by Prove It Write it as with , which can be solved using the Quartic Formula. Then solve for ...
I didn't say Quadratic Formula, I said Quartic Formula.
I suggest you read this:
I suggest this solution http://www.mathmontada.net/vb/upload...373049942.docx
What do you mean by saying " ? It certainly is equal to 0 or some values of x.
(You are correct that is never 0 and that is all you need to show that the sum is not 0.)
by using x = y = B/4 we get
( y+1)^4 - 4 ( y+1)^3 + 8(y+1)^2 + 3 = 0
(y^2+1)^2 = 8y -7
How do we proceed from hereonward
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