Question

4(1/4)2+3(1/4)-1=0 given zero of the polynomial

Answer 1

4(1/16)+ 3/4 -1=0
1/4 + 3/4 -1=0
4/4 -1=0
1-1=0
1/4 is zero of polynomial because on substituting 1/4 in equation we get zero so it is zero of polynomial