[hline multicolumn2|c|3,5,7,9,11,13],[hline,6,8,15,P,8,4],[hline]

[" 8"," I "],[" M ",(1)/(*)],[,(4)/(4)],[,(9)/(2)],[,(9)/(9)],[,9],[hline,(4)/(3)],[+,9],[hline,1],[,7],[,3],[,9],[hline,1],[hline,-,(1)/(3)],[,,]

If the mean of the following frequency distribution is 8, find the value of p. {:("Variable"(x_(i)),3,5,7,9,11,13),("Frequency"(f_(i)),6,8,15,p,8,4):}

[" A parallel plate capacitor is "],[" constructed using three different "],[" dielectric materials as shown in fig."],[" The parallel plates across which a "],[" potential difference is applied are of "],[" area A and are separated by a "],[" distance d.The capacitance across A "],[" and B is "(xK in_(0)A)/(y)" .Find xy? ( "x,y" are "],[" smallest possible integers)."],[qquad [hline A,2k],[hline4k,k],[hline-d/2rarr A/2rarr]],[hline]

If A DeltaB = {1,2,3,4,5,6,7,8,9,11,13} and B = {4,5,6,8,11,13} then find A.

For the given matrix A=[(1, 3, 5, 7), (2, 4, 6, 8), (9, 11, 13, 15)] the order of the matrix A^(T) is

A={1,2,3,5,6,7,8,9}, B={1,3,5,6,8}, C={5,6,7,8,10,11}.Verify A-(B uu C)=(A-B) nn (A-C) .

Find the value of if the mean of the following distribution is 7.5. 3 5 7 9 11 13 6 8 15 8 4