Consider the following in respect of two non-singular matrices A and B of same order: 1.det(A+B)=detA+detB 2.(A+B)−1=A−1+B−1 Which of the above is/are correct?
A
1 only
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B
2 only
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C
Both 1 and 2
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D
Neither 1 nor 2
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Solution
The correct option is D Neither 1 nor 2 f(A+B)=f(A)+f(B) only if the function is a linear function.
But here determinant and inverse functions are non-linear functions