The prescriptive sign "∥" denotes an operation, that is, a ∥ B = √ AB + A + B (a, B ∈ R). If 1 ∥ k = 3 (1) Find the value of K; (2) Find the range of function ∫ (x) = k ∫ X

The prescriptive sign "∥" denotes an operation, that is, a ∥ B = √ AB + A + B (a, B ∈ R). If 1 ∥ k = 3 (1) Find the value of K; (2) Find the range of function ∫ (x) = k ∫ X

1◎k=√k+1+k=3
(√k+2)(√k-1)=0
√k=1,k=1
∫（x）=k◎x=1◎x=√x+1+x=(√x+1/2)^2+3/4>=1

Elden Ring Premiere

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