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Question

The equation 2x4−9x3+14x2−9x+2=0 is of the type

A
Quadratic equation
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B
Linear equation
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C
Reciprocal Equation
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D
None
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Solution

The correct option is B Reciprocal Equation
Given equation is 2x49x3+14x29x+2=0 .... (i)
The maximum power of x in this equation is 4, so this is 4th degree equation
So, it is neither linear nor quadratic equation.
In reciprocal equation ax4+bx3+cx2+dx+e=0, the multiplication of the roots i.e (ea) should be 1
In the given equation (i), ea=22
So the multiplication of roots is equal to one
Therefore, equation (i) is a reciprocal equation.
Hence, option C is correct.

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