MCQ
Write the correct answer in the following: If $\text{p}\text{(x)}=\text{x}^2-2\sqrt{2\text{x}}+1,$ then is $\text{p}(2\sqrt{2})$ equal to.
- A$0$
- ✓$1$
- C$4\sqrt{2}$
- D$8\sqrt{2}+1$
✓
Answer
Correct option: B.
$1$
We have,
$\text{p}\text{(x)}=\text{x}^2-2\sqrt{2}\text{x}+1$
$\text{p}(2\sqrt{2})=(2\sqrt{2})^2-2\sqrt{2}(2\sqrt{2})+1$
$= 8 - 8 + 1$
$= 1$
$\text{p}\text{(x)}=\text{x}^2-2\sqrt{2}\text{x}+1$
$\text{p}(2\sqrt{2})=(2\sqrt{2})^2-2\sqrt{2}(2\sqrt{2})+1$
$= 8 - 8 + 1$
$= 1$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The altitude of a circular cylinder is increased six times and the base area is decreased one-ninth of its value. The factor by which the lateral surface of the cylinder increases, is:
If a solid sphere of radius $r$ is melted and cast into the shape of a solid cone of height $r,$ then the radius of the base of the cone is:
→Write the correct answer in the following: Which of the following is irrational?
In the given figure, $O$ is the centre of a circle. If $\angle\text{OAB}=40^\circ$ and $C$ is a point on the circle, then $\angle\text{ACB}=?$
→The bisectors of the angle of a parallelogram enclose a:
Write the correct answer in the following:In Fig. if $\angle\text{ABC}=20^\circ,$ then $\angle\text{AOC}$ is equal to:
→Write the correct answer in the following: Pythagoras was a student of:
The distance between the graphs of the equations y = - 1 and y = 3 is
All linear equations in two variables have __________.
Degree of the zero polynomial is: