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TS EAMCET · Maths · Determinants

\(\left|\begin{array}{lll}24 & 25 & 26 \\ 25 & 26 & 27 \\ 26 & 27 & 27\end{array}\right|\) is equal to

  1. A 0
  2. B -1
  3. C 1
  4. D 2
Verified Solution

Answer & Solution

Correct Answer

(C) 1

Step-by-step Solution

Detailed explanation

Let \(\Delta=\left|\begin{array}{lll}24 & 25 & 26 \\ 25 & 26 & 27 \\ 26 & 27 & 27\end{array}\right|\) Applying \(R_2 \rightarrow R_2-R_1\) and \(\quad R_3 \rightarrow R_3-R_2\)…