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If A is a 2xx2 invertible matrix, then v...

If A is a `2xx2` invertible matrix, then value of det `A^(-1)` is

A

`-detA`

B

`-1/(det A)`

C

det A

D

`1/(det A)`

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UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
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  2. answer any three questions:5. if f(2)=4,f'(2)=4, then evaluate lim (x ...

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  3. If A is a 2xx2 invertible matrix, then value of det A^(-1) is

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  4. The value of sin^(-1)(-sqrt3/2)+cos^(-1)(sqrt3/2)is

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  5. The relation R {(1,1),(2,2),(4,4),(1,2),(1,3),(2,3)} on the set A = {1...

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  6. A binary operation * is defined on the set of all integers Z by a * b...

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  9. Without expanding,show that |[9,9,12],[1,-3,-4],[1,9,12]|=0

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  10. Verify Rolle's theorem for function f(x) = 4^(sinx) in the interval [0...

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  11. Evaluate the limit lim(x->0) (e^(2x)+e^(-x)-2)/x

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  12. If the function f(x) = {((sin x)/(kx)+k, x!=0),(2,x=0):} is continuous...

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