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Question

The zeros of the polynomial x2+16x2 are

(a) -3, 4 (b) 32,43 (c) 43,32 (d) none of these

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Solution

Polynomial : x2+16x2


Comparing with the standard equation, we get


a = 1, b = 16 , c = -2


To find zero, equate it with 0


=> x2+16x2=0


Multiply by 6
=> 6x2+x12=0
=> 6x2+9x8x12=0 ​​​​​​
=> 3x(2x+3)4(2x+3)=0
=> (2x+3)(3x4)=0
2x+3=0 Or 3x4=0
=> x = 32 or 43
so option b is correct


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