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JEE Advanced 2020 Full Test 5 Paper 1

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Question : 52 of 54
 
Marks: +1, -0
If A=(
122
212
221
) and A2−4A−5I=O where I and O are the unit matrix and the null matrix of order 3 respectively. If 15A−1=λ|
−322
2−32
22−3
| then the find the value of λ.
  • Your Answer:
Validate
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