Question: Prove that the formula (v. w) = V1W1 - V1W2 - V2W1 + bv2w2 defines an inner product on R2 if and only if b

Prove that the formula (v. w) = V1W1 - V1W2 - V2W1 + bv2w2 defines an inner product on R2 if and only if b > 1.

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