x - 1
x + 1
x2 -1
4x + 1
4x - 4
Correct answer is D
No explanation has been provided for this answer.
If three unbiased coins are tossed, find the probability that they are all heads ...
Which of the following is not a measure of centre tendency? ...
Find the value of 1101112 + 101002...
I am x years old and my brother is 3 years older. How old was my brother last year? ...
If \(\begin{vmatrix} x & 3 \\ 2 & 7 \end{vmatrix} = 15\), find the value of x ...
The radius of a sphere is 3 cm. Find, in terms of π, its volume. ...