[hline(7)/(3),(5)/(3)],[hline(3)/(2),(1)/(2)],[hline]

|{:((7)/(3),(5)/(3)),((3)/(2),(1)/(2)):}|

[" 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 A=[((2)/(3), 1,(5)/(3)),((1)/(3), (2)/(3), (4)/(3)),((7)/(3), 2, (2)/(3))] and B=[((2)/(5), (3)/(5), 1),((1)/(5), (2)/(5), (4)/(5)),((7)/(5),(6)/(5),(2)/(5))] , then compute 3A-5B .

If A=[((2)/(3), 1,(5)/(3)),((1)/(3), (2)/(3), (4)/(3)),((7)/(3), 2, (2)/(3))] and B=[((2)/(5), (3)/(5), 1),((1)/(5), (2)/(5), (4)/(5)),((7)/(5),(6)/(5),(2)/(5))] , then compute 3A-5B .

If A=[((2)/(3), 1,(5)/(3)),((1)/(3), (2)/(3), (4)/(3)),((7)/(3), 2, (2)/(3))] and B=[((2)/(5), (3)/(5), 1),((1)/(5), (2)/(5), (4)/(5)),((7)/(5),(6)/(5),(2)/(5))] , then compute 3A-5B .

If A=[{:((2)/(3),1,(5)/(3)),((1)/(3),(2)/(3),(4)/(3)),((7)/(3),2,(2)/(3)):}]andB=[{:((2)/(5),(3)/(5),1),((1)/(5),(2)/(5),(4)/(5)),((7)/(5),(6)/(5),(2)/(5)):}] ,then compute 3A-5B.

If A=[((2)/(3), 1,(5)/(3)),((1)/(3), (2)/(3), (4)/(3)),((7)/(3), 2, (2)/(3))] and B=[((2)/(5), (3)/(5), 1),((1)/(5), (2)/(5), (4)/(5)),((7)/(5),(6)/(5),(2)/(5))] , then compute 3A-5B .

[" 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=[(2)/(3)1(5)/(3)(1)/(3)(2)/(3)(4)/(3)(7)/(3)2(2)/(3)] and B=[(2)/(3)(2)/(5)1(1)/(5)(2)/(5)(4)/(5)(4)/(5)(7)/(3)(6)/(5)(2)/(5)], then compute 3A_(-)=5B