Question

If a1a2a3 …….. a9 are in A.P. then the value of $\begin{vmatrix} a_1 & a_2 & a_3 \\\ a_4 & a_5 & a_6 \\\ a_7 & a_8 & a_9 \\\ \end{vmatrix}$ is

• A. $\frac{9}{2}(a_1+a_9)$
• B. a1 + a9
• C. loge(logee)
• D. 1

Answer 1

Answer: (C)

loge(logee)

Answer 2

The correct answer is (C) : loge(logee).