Answers

2015-04-08T19:57:16+05:30
2 will be zero of polynomial in 5x^2 -4-8x
let p(x)= 5x^2 -4-8x
     p(2)= 5x2^2 - 4- 8x2 
          = 20 -4 -16
          = 20 -20
          = 0
hence verified  
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