3 and 4 .Determinants and Matrices
medium

कोटी $3$ के सममित आव्यूहों की संख्या, जिसकी समुच्चय $\{0,1,2,3,4,5,6,7,8,9\}$ से. सभी प्रविष्टियाँ हो, होगी :

A

$6^{10}$

B

$9^{10}$

C

$10^9$

D

$10^6$

(JEE MAIN-2023)

Solution

$A=\left[\begin{array}{lll} a & b & c \\ b & d & e \\ c & e & f \end{array}\right], a , b , c , d , e , f \in\{0,1,2, \ldots .9\}$

Number of matrices $=10^6$

Standard 12
Mathematics

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