Answers

2015-06-19T19:15:42+05:30
To find the zero of the polynomial,we have to equate the polynomial to zero.so we get 2 as the zero of the quadratic polynomial
0
2015-06-19T19:17:13+05:30
 x^{2} -4=0
x^{2} =4
x=2
1 5 1