For the following questions answer them individually
The value of $$1-\frac{a}{1-\frac{1}{1+\frac{a}{1-a}}}$$
The value of $$\frac{(243)^\frac{n}{5}\times3^{2n+1}}{9^n\times3^{n-1}}$$ is
A train traveling of 55 km/hr travels X to place Y speed is increased km/hr., then the time of journey is reduced by
If a, b, c are positive and a+ b + c= 1, then the least value $$\frac{1}{a}+\frac{1}{b}+\frac{1}{c}$$ is
In a ΔABC, ∠A+ ∠B = 118° ∠A + ∠C = 96°. find the value of ∠A.
In ΔABC, if AD ⊥ BC, then $$AB^{2} + CD^{2}$$ is equal
ABC is an equilateral triangle and CD is the internal bisector of L C. If DC is produced to E such that AC = CE, then ∠CAE is equal to
If $$x (x - 3) = - 1$$, than the value of $$x^{3} (x^{3} - 18)$$ is