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All the zeroes are : 3√2, -3√2, , 0
Given zeroes : 3√2 and -3√2
Sum of zeroes : 3√2 + ( - 3√2 ) = 0
Product of zeroes : 3√2 × ( - 3√2 ) = -9 × 2 = -18
For making Quadratic polynomial :
Here, Sx = sum of zeroes and p = product of zeroes
required polynomial : x² - 0x + ( -18 ) = x² - 18
So, we have to divide 4x⁴ + x³ - 72x -18 by x² - 18.
*Refer to the attachment for division*
For finding other zeroes :
4x² + x = 0
By taking x as common,
x ( 4x + 1 ) = 0
x = 0 and 4x + 1 = 0
x = 0 and x =
Therefore, all the zeroes of this polynomial are : 3√2, -3√2, 0 and
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