If `O(A)=2xx3,O(B)=3xx2` andf `O(C)=3xx3`, which one of the followign is not defined?

If O(A)=2xx3, O(B)=3xx2 , and O(C )=3xx3 which one of the following is not defined ?

If A_(2xx3),B_(4xx3) and C_(2xx4) are three matrices, then which of the following is/are defined?

If A=2^3xx3^2,B=2^2xx3^5 and C=2^3xx3^2 , then what is the value of AxxBxxC ?

The following ionisation constants are determind in 3 seperate experiments. (I) [Ag(S_(2)O_(3))_(3)]^(5)hArr[Ag(S_(2)O_(3))_(2)]^(3-)+S_(2)O_(3)^(-2) K_(1)=2.0xx10^(-5)moldm^(-3) (II) [Ag(S_(2)O_(3))_(2)]^(3-)hArr[Ag(S_(2)O_(3))_(2)]^(-)+S_(2)O_(3)^(-2) K_(2)=3.3xx10^(-5)moldm^(-3) (III) [Ag(S_(2)O_(3))]^(-)hArrAg^(+)+S_(2)O_(3)^(2-) K_(3)=1.5xx10^(-9)moldm^(-3) Which of the following is the most stable

Let A be a 3xx3 matrix satisfying A^3=0 , then which of the following statement(s) are true (a) |A^2+A+I|!=0 (b) |A^2-A+O|=0 (c) |A^2+A+I|=0 (d) |A^2-A+I|!=0

Let A be a 3xx3 matrix satisfying A^3=0 , then which of the following statement(s) are true (a)|A^2+A+I|!=0 (b) |A^2-A+O|=0 (c)|A^2+A+I|=0 (d) |A^2-A+I|!=0

In a certain polluted atmosphere containing O_(3) at a steady-state concentration of 2.0 xx 10^(-8) mol L^(-1) , the hourly Production of O_(3) by all sources was estimated as 7.2 xx 10^(-15) mol L^(-1) . If only mechanism for the destruction of O_(3) is the second order reaction, 2O_(3) rarr 3O_(2) Calculate the rate constant for the destruction reaction defined by the rate law for -Delta[O_(3)]//Delta t .

In a certain polluted atmosphere containing O_(3) at a steady-state concentration of 2.0 xx 10^(-8) mol L^(-1) , the hourly Production of O_(3) by all sources was estimated as 7.2 xx 10^(-15) mol L^(-1) . If only mechanism for the destruction of O_(3) is the second order reaction, 2O_(3) rarr 3O_(2) Calculate the rate constant for the destruction reaction defined by the rate law for -Delta[O_(3)]//Delta t .

If a=2^3xx3,b=2xx3,c=3^nxx5 and.LCM(a,b,c)= 2^3xx3^2xx5 then n= a)1 b)2 c)3 d)4

If a=2^(3)xx3,quad b=2xx3xx5,quad c=3^(n)xx5 and LCM(a,b,c)=2^(3)xx3^(2)xx5, then n= (a) 1 (b) 2 (c) 3 (d) 4