Question

zero of polynomial x2 _5 are(a) [ 5 and_[5 (b) (5'(5 ( c) 5;_5 (d) none of these
​

Answer 1

Zero of polynomial x^2-5

x^2-5 =0

x^2=5

x=plus or minus √5

There fore,

x=+√5, -√5

Answer 2

plus or minus square root of five