Question:medium
The numbers \(a_{1},a_{2},a_{3},a_{4},a_{5}\) and \(a_{6}\) are in G.P. If \(a_{1} = 2\) and the common ratio \(r = \frac{1}{2}\), then the value of \(\left| \begin{array}{lll}a_{1} & a_{2} & 1 a_{3} & a_{4} & 1 a_{5} & a_{6} & 1 \end{array} \right|\) is equal to
The numbers \(a_{1},a_{2},a_{3},a_{4},a_{5}\) and \(a_{6}\) are in G.P. If \(a_{1} = 2\) and the common ratio \(r = \frac{1}{2}\), then the value of \(\left| \begin{array}{lll}a_{1} & a_{2} & 1 a_{3} & a_{4} & 1 a_{5} & a_{6} & 1 \end{array} \right|\) is equal to
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If two columns (or rows) of a determinant are proportional, the determinant is zero.
Updated On: Apr 25, 2026
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The Correct Option is
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