`(-4/5)/0` is equal to

(-6)xx(-5)xx0 is equal to

(1/5)^0 is equal to (a)0 (b) 1/5 (c) \ 1 (d) 5

((-2)/5)^7-:((-2)/5)^5 is equal to (a) 4/(25) (b) (-4)/(25) (c) ((-2)/5)^(12) (d) (25)/4

(-(3)/(4))^(5) is equal to

sin^(-1)(cos((5pi)/4)) is equal to

The pH of a 0.1M solution of NH_(4)OH (having dissociation constant K_(b) = 1.0 xx 10^(-5)) is equal to

If y=cos^(-1)(cosx) ,then (dy)/(dx) at x= (5pi)/4 is equal to (a)1 (b)-1 (c)0 (d)4

The value of int_(0)^(2)((x^(2)-2x+4)sin(x-1))/(2x^(2)-4x+5)dx is equal to

The value of lim_(xrarr0)(log(1+2x))/(5x)+lim_(xrarr2)(x^(4)-2^(4))/(x-2) is equal to

Find the locus of the point, the sum of whose distances from the points A(4,0,0)a n d\ B(-4,0,0) is equal to 10.