Three consecutive terms of a geometric progression are gi...
Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio
\(\frac{3}{2}\)
\(\frac{2}{3}\)
\(\frac{1}{2}\)
\(\frac{1}{4}\)
Correct answer is A
\(\frac{h}{n - 2} = \frac{n + 3}{n}\)
n\(^2\) = (n + 3) (n - 2)
n\(^2\) = n\(^2\) + n - 6
n\(^2\) + n - 6 - n\(^2\) = 0
n - 6 = 0
n = 6
Common ratio: \(\frac{n}{n - 2} = \frac{6}{6 - 2} = \frac{6}{4}\) = \(\frac{3}{2}\)
The area of a square is 144 sq cm. Find the length of its diagonal ...
Solve for x and y in the equations below x2 - y2 = 4 x + y = 2...
Evaluate log106 + log1045 - log1027 without using logarithm tables...
What is the circumference of latitude 0\(^o\)S if R is the radius of the earth? ...
Find the area of the sector of a circle with radius 3m, if the angle of the sector is 60o...
A woman buys 270 oranges for N1800.00 and sells at 5 for N40.00. What is her profit? ...