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Let →a=^i−α^j+β^k, →b=3^i+β^j−α^k and →c=−α^i−2^j+^k, where α and β are integers. If →a⋅→b=−1 and →b⋅→c=10, then (→a×→b)⋅→c is equal to

Answer» Let a=^iα^j+β^k, b=3^i+β^jα^k and c=α^i2^j+^k, where α and β are integers. If ab=1 and bc=10, then (a×b)c is equal to


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