The equation `(1/x) + (1/y) = 15`, and `(1/x) – (1/y)= 5` are such that ax = 1 and by = 1. The values of a and b respectively are _

The equations (x)/(a)+(y)/(b)=1 and (x)/(b)+(y)/(a)=1 are inconsistent if

The value of x + y + z is 15 if a, x, y, z, b are in A.P. while the value of (1)/(x) + (1)/(y) + (1)/(z) + (1)/(z) is (5)/(3) if a, x, y, z, b are in H.P. the value of a and b are

If sin^(-1) x + sin^(-1)y = pi//2 and cos^(-1) x - cos^(-1) y = 0 , then value x and y respectively

If [(1,1),(-1,1)][(x),(y)]=[(2),(4)] ,then the values of x and y respectively are

If [(1,1),(-1,1)][(x),(y)]=[(2),(4)], then the values of x and y respectively are

If {:[(e^x,e^y),(e^y, e^x)]=[(1,1),(1,1)] , then the values of x and y are respectively

If the straight line y-2x+1=0 is the tangent to the curve xy+ax+by=0 at x=1 , then the values of a and b are respectively a) 1and 2 b) 1and -2 c) -1 and 2 d) -1 and -2

If the normal line at (1, -2) on the curve y^2=5x-1 is ax - 5y +b=0 then the values of a and b are