2.Solve the following equations :
a.) `(y)/(3)=-9,` b.) `(n)/(4)-2=(n)/(6),` c.) `(p)/(2)-(p)/(3)=5` d.) `a+(1)/(2)=-4,`
e.) `(1)/(3)-(1)/(x)=(1)/(2),` f.) `(x)/(2)-(x)/(3)=(1)/(6)`

Solve the following system of equations: 1/(2x)+1/(3y)=2,\ \ \ 1/(3x)+1/(2y)=(13)/6

Solve the following system of equations: 1/(7x)+1/(6y)=3,\ \ \ 1/(2x)-1/(3y)=5

Solve the following system of equations: 5/(x-1)+1/(y-2)=2,\ \ \ \ 6/(x-1)-3/(y-2)=1

Solve the following system of equations: 1/(3x+y)+1/(3x-y)=3/4,\ \ \ \ 1/(2(3x+y))-1/(2(3x-y))=-1/8

Solve the equations: 4^(x)-3^(x-(1)/(2))=3^(x+(1)/(2))-2^(2x-1) .

Solve graphically the following pairs of equations : (x+1)/4=2/3(1-2y) (2+5y)/3=x/7-2

Solve the following equations for X and Y : 2X-Y=[(3,-3,0),(3,3,2)], 2Y+X=[(4,1,5),(-1,4,-4)]

Solve the following equations: sin^(-1)((3x)/5)+sin^(-1)((4x)/5)=sin^(-1)x sin^(-1)6x+sin^(-1)6sqrt(3)x=pi/2

Solve the equation 3 ^(x+1)C_(2)+ ^(2)P_(2)x=4^(x)P_(2),x in N .

Find the domain of the following following functions: (a) f(x)=(sin^(-1))/(x) (b) f(x)=sin^(-1)(|x-1|-2) (c ) f(x)=cos^(-1)(1+3x+2x^(2)) (d ) f(x)=(sin^(-1)(x-3))/(sqrt(9-x^(2))) (e ) f(x)="cos"^(-1)((6-3x)/(4))+"cosec"^(-1)((x-1)/(2)) (f) f(x)=sqrt("sec"^(-1)((2-|x|)/(4)))