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Let det A=|{:(l,m,n),(p,q,r),(1,1,1):}| ...

Let det `A=|{:(l,m,n),(p,q,r),(1,1,1):}|` and if `(l-m)^2 + (p-q)^2 =9, (m-n)^2 + (q-r)^2=16, (n-l)^2 +(r-p)^2=25`, then the value `("det." A)^2` equals :

A

36

B

100

C

144

D

160

Text Solution

Verified by Experts

The correct Answer is:
C
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