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If A=[((k)/(2),0,0),(0,(l)/(2),0),(0,0,(...

If `A=[((k)/(2),0,0),(0,(l)/(2),0),(0,0,(m)/(4))] and A^(-1)= [((1)/(2),0,0),(0,(1)/(3),0),(0,0,(1)/(4))]` then `k+l+m=`

A

(a) `1`

B

(b) `9`

C

(c) `14`

D

(d) `26`

Text Solution

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The correct Answer is:
d
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