Asked by quackquack
Use the equation y=x4−2x2b2+b4 to answer the question.
How can you rewrite the given formula to correctly isolate x?
How can you rewrite the given formula to correctly isolate x?
Answers
Answered by
oobleck
y = x^4 - 2x^2 b^2 + b^4
y = (x^2 - b^2)^2
x^2 - b^2 = ±√y
x^2 = b^2±√y
x = ±√(b^2±√y)
y = (x^2 - b^2)^2
x^2 - b^2 = ±√y
x^2 = b^2±√y
x = ±√(b^2±√y)
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