MHT CET 2024 Mathematics question

MathematicsMatricesMHT CET 2024

Let , and . If , then the value of will be

Answer: (D)

Solution

gives the system , , . From the second equation . Substituting in the first: . Substituting both in the third: $3a+2(-1-3a)+1-2a=4⇒

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Question ID VK-092656