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If {:[(4,5)]:}{:[(1,6),(x,3)]:}{:[(-2),(...

If `{:[(4,5)]:}{:[(1,6),(x,3)]:}{:[(-2),(3)]:}=[9]`, then the value of x is

A

9

B

-9

C

10

D

-10

Text Solution

Verified by Experts

The correct Answer is:
C
(i) Evaluate the product in LIIS and equate it to RHS.
(ii) Find the product of first two matrices and then multiply product matrix with third matrix of LHS.
(iii) Equate the above resultant matrix with [9] and find the value of x.
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