If \( a_{1}, a_{2}, a_{3}, 5,4, a_{6}, a_{7}, a_{8}, a_{9} \) are in H.P., and the value of the ... VIDEO
If \( a_{1}, a_{2}, a_{3}, 5,4, a_{6}, a_{7}, a_{8}, a_{9} \) are in H.P., and the value of the determinant \( \left|\begin{array}{ccc}a_{1} & a_{2} & a_{3} \\ 5 & 4 & a_{6} \\ a_{7} & a_{8} & a_{9}\end{array}\right| \) is \( D \), then the value of \( 21 D \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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