NCERT 2022 | आव्यूह - L14 | matrix | Hindi Medium | Jitendra Sir | 8 AM |

If A=[{:(5,-2,6," "1),(7," "0,8,-3),(sqrt(2)," "(3)/(5),4," "3):}] then write (i) the number of rows in A, (ii) the number of columns in A, (iii) the order of the matrix A, (iv) the number of all entries in A, (v) the elements a_(23),a_(31),a_(14),a_(33),a_(22) of A.

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L3 English Medium

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L4 English Medium

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L1 English Medium

JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L2 English Medium

If A=[(1,0),(-1,7)] and l is an identity matrix of order 2, then the value of k, if A^(2)=8A+kI , is :

Find the adjoint of the given matrix and verify in ach case that A.(adj A)=(adj A).A=|A\|.I. [(9,7,3),(5,-1,4),(6,8,2)]

If L for +, M stand for - , N stands for xx, P stands for +, then 14 N 10 L 42 P 2 M 8= ?

An EM wave travelling through a medium has electric field vector. E_y = 4 times 10^5 cos (3.14 × 10^8 t – 1.57 x) N//C . Here x is in m and t in s. Then find : Refractive index of medium