The nth term of the sequence -2, 4, -8, 16.... is given b...
The nth term of the sequence -2, 4, -8, 16.... is given by
Tn = 2n
Tn = (-2)n
Tn = (-2n)
Tn = n
Correct answer is B
sequence: -2, 4, -8, 16........{GP}
a = -2; r = \(\frac{4}{-2}\) = -2
nth term Tn = arn-1
Tn = (-2)(-2)^n-1
Tn = (-2)1 + n - 1
Tn = (-2)n
Evaluate \(\int\limits_0^\frac{\pi}{2}\) sin xdx...
Find the remainder when 3x3 + 5x2 - 11x + 4 is divided by x + 3 ...
If tan α = \(\frac{1}{2}\) and tan β = \(\frac{1}{3}\) and both α and β are acute, find tan (α ...
Find all median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119 ...