I dont know for a fact but it could be 0.70710678118 but im not sure
Because 6 * 8 + ( - 2 )* 24 = 48 - 48 = 0 , the vectora u and v are orthogonal ;
Two vectors are orthogonal if their dot product is zero.<span />
Answer: A. x ≤ -3
x/3 - x-1/2 ≥ 1 would make x ≤ -3
(-1.1)*(-1.1)*(-1.1)=-1.331