4x2
(2x + 2)2
4
4(1 + x)
Correct answer is D
(x + 1x + 1)2 - (x + 1x + 1)2
= (x + 1x + 1 + x + −1x - 1)(x - 1x + 1 - x + 1x + 1)
= (2x) (2 + 2x) = 2x x 2(1 + 1x)
4x (1 + 1x) = 4x + 4
= 4(1 + x)
Given that √3+√5√5 = x + y√15, find the value of (...
Which of the following is NOT a factor of 124 - 54?...
Find the root of the equation 2x2 - 3x - 2 = 0 ...
The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that...
A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the r...