If n and p are positive and 100n^3p^{-1} = 25n , what is n^{-2} in terms of p ? calculate algebraic expressions
If a=\dfrac{a-bc}{c+x} , what is the value of x in terms of a, b and c? calculate algebraic expressions
Given ab=1 , a≠ -1 , b≠ -1 , find the value of \dfrac{1}{1+a}+\dfrac{1}{1+b} calculate algebraic expressions
Given 2+\dfrac{2}{3} =2^2×\dfrac{2}{3} ,3+\dfrac{3}{8} =3^2×\dfrac{3}{8} ,4+\dfrac{4}{15} =4^2×\dfrac{4}{15} , ...If 10+\dfrac{a}{b} =10^2×\dfrac{a}{b}(a,b are positive integers ) . Find the value of the expression \dfrac{a^2+2ab+b^2}{ab^2+a^2b} calculate algebraic expressions
\dfrac{3x+6}{x^2+4x+4}÷\dfrac{x-2}{x+2} -\dfrac{1}{x-2} , in which x=-6 calculate algebraic expressions