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Let A is a matrix of order 100xx 50 and ...

Let A is a matrix of order `100xx 50 and ` B is matrix of order ` 50xx 75` and AB =C if matrix D is obtained by eliminating n columns and `n+25`rows of C and |D| `ne 0, ` then n can be

A

80

B

50

C

20

D

10

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FIITJEE-MATRICES -ASSIGNMENT PROBLEM (OBJECTIVE) (Level-I)
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  2. If A=[(a,b,c),(b,c,a),(c,a,b)],abc=1,A^(T)A=l, then find the value of ...

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  3. Let A is a matrix of order 100xx 50 and B is matrix of order 50xx 75...

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  4. Let Mn =[mg] denotes a square matrix of order n with entries as follow...

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  7. If A and B matrices commute then

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  8. If A, B, C are invertible matrices, then (ABC)^(-1)=

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  9. If {:A=[(1,0,0),(0,1,0),(a,b,-1)]:}, then A^2 is equal to

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  12. If I=[{:(,1,0),(,0,1):}], J=[{:(,0,1),(,-1,0):}]and B=[{:(,cos theta,s...

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  13. If I=[{:(,1,0),(,0,1):}], J=[{:(,0,1),(,-1,0):}]and B=[{:(,cos theta,s...

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  19. Let A =[(1,-1,1),(2,1,-3),(1,1,1)] and 10B=[(4,2,2),(-5,0,alpha),(...

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  20. The values of x for which the matrix [[x+a,b,c],[a,x+b,c],[a,b,x+c]] ...

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