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x² + 3 = 2x³-1 is a quadratic equation
(True or false, cubic)
Answers
Answered by
1
Step-by-step explanation:
it is cubic equations ..........
Answered by
4
Question :
x² + 3 = 2x³-1 is a quadratic equation.
(True or false)
Answer :
False, it is cubic equation.
Solution :
x² + 3 = 2x³-1
x² + 3 - 2x³ + 1 = 0
- 2x³ + x² + 4 = 0
As, the given equation isn't in form of :
ax² + bx + x = 0
Hence, it isn't a quadratic equation.
It is a cubic equation because it is in form of :
ax³ + bx² + cx + d = 0
Here, we don't have cx.
So, we can write it as 0x.
- 2x³ + x² + 0x + 4 = 0
In this equation,
- a = - 2
- b = 1
- c = 0
- d = 4
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