If x=2 10-8 and y=2 10+2 2 , then (x-y)^2= - Vidyadip

Question

If $x=\frac{2}{\sqrt{10}-\sqrt{8}}$ and $y=\frac{2}{\sqrt{10}+2 \sqrt{2}}$, then $(x-y)^2=$

✓

Answer

32

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Fill In The Blanks[1 Marks ]" from Rationalisation→Rationalisation — all question types→Maths STD 9 question papers→CBSE Board STD 9 question papers→CBSE Board question paper generator→

Similar questions

$7-9 x+2 x^2$ is called a _______________ polynomial.

Fill in the blanks to make the following statements true: A triangles cannot have more than ______ obtuse angles.

The height of an equilateral triangle is $\sqrt{3} a$ units. Then its area is __________.

If $a>0$ and $b<0$, then the image of $(a, b)$ in $y$-axis lies in _______________ quadrant.

In an isosceles triangle $\text{ABC}$ with $AB = AC,$ if $BD$ and $CE$ are its altitudes, then $BD$ is $...........CE.$

The product of a non-zero rational number with an irrational number is always an _______________ number.

Point (0,-3) lies on the _______________ direction of _______________ axis

A triangles cannot have more than ______ obtuse angles.

Fill in the blanks so as to make the following statements true:
Given a line and a point, not on the line, there is one and only______ line which passes through the given point and is______ to the given line.

If altitudes $CE$ and $BF$ of a triangle $ABC$ are equal, then $AB =$ _______.