27√2
27√6
81√2
81√6
Correct answer is C
Tn=arn−1 (Geometric progression)
a=√6,r=T2T1=3√2√6
r=√18√6=√3
∴
= (\sqrt{6})(27\sqrt{3}) = 27\sqrt{18} = 81\sqrt{2}
Given that \overrightarrow{AB} = 5i + 3j and \overrightarrow{AC} = 2i + 5j, find \(\overrigh...
Two functions f and g are defined by f : x \to 3x - 1 and g : x \to 2x^{3}, evaluate \(fg(-2...
The distance s in metres covered by a particle in t seconds is s = \frac{3}{2}t^{2} - 3t. Find i...
If 2\log_{4} 2 = x + 1, find the value of x....
If \frac{6x + k}{2x^2 + 7x - 15} = \frac{4}{x + 5} - \frac{2}{2x - 3}. Find the value ...
Find the coefficient of the term in the binomial expansion of [2x + \frac{3y}{4}]^3 in desce...
Find the radius of the circle 2x^2 + 2y^2 - 4x + 5y + 1 = 0...