If a1-a2-a3-5-4-a6-a7-a8-a9 are H-P and D - - - a1 a2 a3- 5 4 a6- a7 a8 a9 - then the value of 21D-

∴ a_n=20n and d=120 | a_1 amp; a_2 #160; amp; a_3 #160; 5 amp; 4 #160; amp; a_6 a_7 amp; a_8 #160; amp; #160 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Definition of a Determinant

If a1,a2,a3...

Question

If $a_{1}, a_{2}, a_{3}, 5, 4, a_{6}, a_{7}, a_{8}, a_{9}$ are H.P and $D = ∣ ∣ ∣ ∣ \begin{matrix} a_{1} & a_{2} & a_{3} 5 & 4 & a_{6} a_{7} & a_{8} & a_{9} \end{matrix} ∣ ∣ ∣ ∣$ , then the value of $21 D$ .

Open in App

Solution

Suggest Corrections

Similar questions

a_{1}, a_{2}, a_{3}, 5, 4, a_{6}, a_{7}, a_{8}, a_{9}

D = ∣ ∣ ∣ ∣ \begin{matrix} a_{1} & a_{2} & a_{3} 5 & 4 & a_{6} a_{7} & a_{8} & a_{9} \end{matrix} ∣ ∣ ∣ ∣

[D]

a_{1}, a_{2}, a_{3}, \dots \dots

a_{3} + a_{5} + a_{8} = 11

a_{4} + a_{2} = - 2

a_{1} + a_{6} + a_{7}

A P

a_{1}, a_{2}, a_{3},

\frac{a_{4}}{a_{7}} = \frac{2}{3}

\frac{a_{6}}{a_{8}}

{(1 + x)}^{10} = a_{0} + a_{1} x + a_{2} x^{2} + . . . . . . a_{10} x^{10}

{(a_{0} - a_{2} + a_{4} - a_{6} + a_{8} - a_{10})}^{2} + {(a_{1} - a_{3} + a_{5} - a_{7} + a_{9})}^{2}

(1 + x)^{10} = a_{0} + a_{1} x + a_{2} x^{2} + . . . . . + a_{10} x^{10}

(a_{0} - a_{2} + a_{4} - a_{6} + a_{8} - a_{10})^{2} + (a_{1} - a_{3} + a_{5} - a_{7} + a_{9})^{2}

Join BYJU'S Learning Program