find all the zeros of the polynomial 2x*4+7x*3-19x*2-14x+30 , if two of its zeroes are √2 and -√2
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given =(x=√2)(x= -√2)
(x-√2)(x+√2)
using identity (a-b) (a+b)=a²-b²
x²-(√2)²=x²-2
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(x-√2)(x+√2)
using identity (a-b) (a+b)=a²-b²
x²-(√2)²=x²-2
I HOPE THIS WILL HELP YOU MARK ME YOU
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