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प्रश्न
Choose the correct alternative:
If p(A) = r then which of the following is correct?
पर्याय
All the minors of order r which does not vanish
A has at least one minor of order r which does not vanish
A has at least one (r + 1) order minor which vanishes
All (r + 1) and higher order minors should not vanish
उत्तर
A has at least one minor of order r which does not vanish
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