Q09: Find all the zeroes of 4x4 - 2...
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Q09: Find all the zeroes of 4x4 - 20.x3 + 23.rº + 5x - 6 if two of its zeroes are 2&3.

11th - 12th Class
Maths
Solution
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( 4 x^{4}-20 x^{3}+5 x+23 x^{2}-6=0 ) If two of the zeros are 2 t 3 ( 3left[begin{array}{ccccc}4 & -20 & 0 & 0 4 & -20 & 23 & 5 & -6 0 & 8 & -24 & -2 & 6 4 & -12 & -1 & 3 & 0 0 & 12 & 0 & -3 & 0 4 & 0 & -1 & 0end{array}right. ) ( 4 x^{2}-1=0 ) ( 4 x^{2}=1 ) ( x=pm 1 / 2 ) ( 1 / 21-1 / 213,4 ) ore the zeros
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