Q15Comprehension1 Mark28 Apr 2024PassageFind the dimension of the given vector spaces in the subquestions.Let U={x∈R4:⟨x,u⟩=0 where u=(1,−1,2,−1)}U = \{x \in \mathbb{R}^4 : \langle x, u \rangle = 0 \text{ where } u = (1, -1, 2, -1)\}U={x∈R4:⟨x,u⟩=0 where u=(1,−1,2,−1)} be a subspace of R4\mathbb{R}^4R4 with the dot product as the inner product. Find the dimension of UUU.Your answerPress Enter to check.