If (a,b),(c,d) and (e,f) are the vertices of ... - CBSE Class 12 ...

CBSE Class 12 Math 2023 Outside Delhi Set 1 Solved Paper

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Question : 14 of 38

Marks: +1, -0

If

(a,b),(c,d)

and

(e,f)

are the vertices of

\triangle ABC

and

\Delta

denotes the area of

\triangle ABC

, then

\begin{vmatrix} a & c & e \\ b & d & f \\ 1 & 1 & 1 \end{vmatrix}^2

is equal to

$2\Delta^2$
$4\Delta^2$
$2\Delta$
$4\Delta$

Solution: 👈: Video Solution

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