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Matrix A has x rows aand x+4 columns and...

Matrix A has x rows aand `x+4` columns and another matrix B has y rows and `2y-10` columns. Both AB and BA exist then x and y are

A

3, 8

B

8, 3

C

6, 2

D

2, 6

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The correct Answer is:
D
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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-ALGEBRA OF MATRICES
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  11. Matrix A has x rows aand x+4 columns and another matrix B has y rows a...

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  12. If A=[(0, x),(y, 0)] and A^(3)+A=O then

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  13. If omega is a complex cube root of unity and A=[(omega,0),(0, omega)]...

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  14. If A, B are two square matrices such that AB=B, BA=A and n in N then...

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  15. If A=[(1, 2, x),(3,-1,2)] and B=[(y),(x),(1)] be such that AB=[(6),(8)...

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  16. Let A and B be any two 3 xx 3 matrices. If A is symmetric and B is ske...

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  17. Let A and B be two symmetric matrices of order 3. Statement: 1: A(BA...

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  18. Let A=((1,0,0),(2,1,0),(3,2,1)). If u(1) and u(2) are column matrices ...

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  20. If A=((0, -1),(1, 0)) then which one of the following statements is ...

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