Enter a problem...
Basic Math Examples
Popular Problems
Basic Math
Simplify 2 square root of 21
2
√
21
2
√
21
Step 1
The result can be shown in
multiple
forms.
Exact Form:
2
√
21
2
√
21
Decimal Form:
9.16515138
…
9.16515138
…
[
x
2
1
2
√
π
∫
x
d
x
]
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
Please ensure that your password is at least 8 characters and contains each of the following:
a number
a letter
a special character: @$#!%*?&