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Question: If a, b, c are in AP; Then value of \(\left| \begin{matrix} 1 & 2 & a \\ 2 & 3 & b \\ 3 & 4 & c \end...

If a, b, c are in AP; Then value of ∣12a23b34c∣\left| \begin{matrix} 1 & 2 & a \\ 2 & 3 & b \\ 3 & 4 & c \end{matrix} \right| is –

A

a + c

B

2 (a + c)

C

b

D

None

Answer

None

Explanation

Solution

Q Elements of all C1, C2, C3 are in AP

\ D = 0