If `h=5` , the value of `h^3` =

If the line through the points (h, 7) and (2, 3) intersects the line 3x-4y-5=0 at right angles, then the value of h is

If the pH value is 4.5 for a solution then what is the value of H^(+) concentration?

f(x)=3x^(10)7x^(8)+5x^(6)-21x^(3)+3x^(2)7, then is the value of lim_(h rarr0)(f(1-h)-f(1))/(h^(3)+3h) is

In the ions equatio, BrO_(3)^(-) + 6H^(+) + xe^(-) rarr Br^(3+) + 3H_(2)O , the value of x is

Let g(x)=|x-2| and h(x)=g(g(x)) be two functions, then the value of h'(-1)+h'(1)+h'(3)+h'(5) is equal to (where, h' denotes the derivative of h)