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Q.

Find the zeros of the polynomial 6x2-3-7x


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a

32, -13

b

-32,-13

c

32, 13

d

-32, 13 

answer is A.

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Detailed Solution

Given polynomial is 6x2-3-7x
We can write this as 6x2-3-7x=0
Or, 6x2-9x+2x-3=0
Or, 3x(2x – 3) + 1(2x – 3) = 0
Or, (2x – 3)(3x + 1) = 0
2x – 3 = 0
Or, x=32
And 3x+1=0
Or, x=-13
Hence, 32,- 13 are the two zeroes of the given polynomial
 
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Find the zeros of the polynomial 6x2-3-7x