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# What is the square root of 2?

What is the mathematical square root of 2?

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About 1.414. It's the number that when multiplied by itself produces 2.

Posted on May 10, 2014

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## Related Questions:

### 5+4=23 8+1=63 6+16=32 9+9=78 3+9=6 3+81=?

To find the answer, take the square of the first number and subtract from it the square root of the second number:
5 squared is 25
sgrt of 4 is 2; 25-2=23

9 squared is 81
sqrt of 9 is 3; 81-3=78

so:
3 squared is 9
sqrt of 81 is 9; 9-9=0

The answer is zero!

Feb 07, 2013 | Vivendi Excel@ Mathematics Study Skills...

### How to use square root for non square numbers for casio graphing calculator

You can use the square-root function for any number, whether it's a perfect square or not. For example, to calculate the square root of 2, press SHIFT [square-root] 2 EXE .

[square-root] is on the x^2 key, just to the right of the ALPHA key.

Jan 17, 2013 | Casio FX-9860GII Graphing Calculator With...

### Lost instruction on how to use ti-30xa calculator.how to do square root/percent/ratio/proprtion/roots/log

Here is the link to the calculator manual. It will show you how to do square root calculations, percentages, other roots, and logs. As to ratios and proportions you will have to read your mathematics textbook.

Aug 26, 2010 | Texas Instruments TI-30XA Calculator

### I would like to solve the below: int arcsin(x)^1/2/(1-X)^1/2 But I don't know where and how to enter the function.

Your expression is ambiguous: There is a function named int( which extracts the integer part of a numerical result. But there is nothing enlightening about it: int(25/3) gives 8 as result
Do you mean to calculate the integral?
Is it arc sin of square root of X or square root of arcsin(X)?
I am going to assume you want to calculate the indefinite integral of [arcsin (square root of X)]/(1-X)^(1/2)

In Main calculator screen tap the Down pointing arrow at the left of the tool bar (left of the Edit Menu). Select Settings>SetUp>Basic Format

As you can see, the angle unit must be in Radians. Make sure that the Decimal calculation is unchecked, otherwise yoy will get a numerical result.
Press the keyboard key to enter your expression.
1. Press the 2D keyboard
2. Use the pen to tap the arrow close to the 0 to reveal the Integral template and tap it
3. Tap the arrow again to reveal the fraction template.
4. Tap it to insert it at the cursor position.
5. Tap mth to open the mathematics tab
6. At the bottom of the mth Tab press TRIG
7. Tap the arc sine key (sin^-1) and insert it in the numerator of the fraction.
8. Press the U-turn arrow at the bottom of the mth keyboard to exit the trigonometric functions.
9. Tap the square root function to the right of the natural log, tap the variable x and right parenthesis, on physical or soft keyboards.
10. Tap the down arrow to move cursor to the denominator of the integrand.
11. Type in the denominator (square root of (1-x))
12. Use the right arrow to move the cursor to main line, and one more tap to move cursor after the d, press the x key enter the differential.
The result is on the screen, but you have to scroll right to reveal it completely.

Here are some screen captures to help you in your quest.

Mar 20, 2010 | Casio ClassPad 300 Calculator

### Mathematics

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Aug 06, 2008 | Maytag Performa PAV2200

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