Question

find two zero of polynomial=2u^2 - 7

Answer 1

Answer:

$2 {u}^{2} - 7 = 0 \\ 2 {u}^{2} = 7 \\ {u}^{2} = 7 \div 2 \\ u = \sqrt{7 \div 2 }$

u= +(7/2)^1/2 -(7/2)^1/2