213
212
211
210
Correct answer is B
a = 4, r = 42
84 = 2
n = 11
Tn = arn - 1
T11 = 4(2)11 - 1
4(2)10 = 212
since 4 = 22
= 212
In the figure above, find the value of y ...
Integrate 2x3+2xx with respect to x...
Find the area and perimeter of a square whose length of diagonals is 20√2 cm...
Which of the following is/are true? In a plane, the locus of points I. Equidistant from a straigh...
A boy walks 800m in 20 minutes. Calculate his average speed in km per hour ...
The eleventh term of an AP, is 25 and its first term is -3. Find its common difference. ...
In the diagram, PR is a diameter, ∠PRQ = (3x-8)° and ∠RPQ = (2y-7)°. Find x in terms...
In the diagram, ¯PSand¯QT are two altitudes of ∆PQR. Which...