\sqrt { 12,5 ^ { 2 } - 3,5 ^ { 2 } } =
Evaluate
15
Factor
3\times 5
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\sqrt{12\times 25-3\times 5^{2}}
Calculate 5 to the power of 2 and get 25.
\sqrt{300-3\times 5^{2}}
Multiply 12 and 25 to get 300.
\sqrt{300-3\times 25}
Calculate 5 to the power of 2 and get 25.
\sqrt{300-75}
Multiply 3 and 25 to get 75.
\sqrt{225}
Subtract 75 from 300 to get 225.
15
Calculate the square root of 225 and get 15.
Examples
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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