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आव्यूह A का क्रम 3 x 4 है तथा B इस प्रकार का आव्यूह है कि AT B एवं ABT दोनों ही परिभाषित है तो B का क्रम लिखिए।

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∴ A का क्रम 3 x 4 है।

∴ AT का क्रम 4 x 3 होगा

परन्तु ATB तथा ABT परिभाषित है

अत: B का क्रम भी 3 x 4 ही होगा।

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