Q.The vectors $\vec{a} = \hat{i} - 2\hat{j} + 3\hat{k}$ , $\vec{b} = -2\hat{i} + 3\hat{j} - 4\hat{k}$ and $\vec{c} = \hat{i} - 3\hat{j} + 5\hat{k}$ are coplanar if the scalar triple product is

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Q.The vectors a⃗=i^−2j^+3k^\vec{a} = \hat{i} - 2\hat{j} + 3\hat{k}a=i^−2j^​+3k^, b⃗=−2i^+3j^−4k^\vec{b} = -2\hat{i} + 3\hat{j} - 4\hat{k}b=−2i^+3j^​−4k^ and c⃗=i^−3j^+5k^\vec{c} = \hat{i} - 3\hat{j} + 5\hat{k}c=i^−3j^​+5k^ are coplanar if the scalar triple product is