2(1 + x)
2 + 3x
2(1 - x)
2 - 3x
Correct answer is D
log1012.5 = log10 121/2
= log1025/2
= log1025 - log102
= log1052 - log102
= 2log105 - log102
= 2log1010/2 - log102
= 2(1-x)- x
= 2 - 2x – x
= 2 – 3x
Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2) ...
A rectangle has length xcm and width (x - 1)cm. If the perimeter is 16cm. Find the value of x ...
The volume of a cylindrical tank, 10m high is 385 m2. Find the diameter of the tank. [Take \(\p...
If 6x3+2x2−5x+1 divides x2−x−1, find the remainder....
Find the value of x for which the function f(x) = 2x3 - x2 - 4x + 4 has a maximum value ...
The bar chart above shows the distribution of SS2 students in a school. Find the total number of ...