a = \sqrt { ( 2,5 ) ^ { 2 } - ( 0,7 ) ^ { 2 } }
Solve for a
a=2,4
Assign a
a≔2,4
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a=\sqrt{6,25-0,7^{2}}
Calculate 2,5 to the power of 2 and get 6,25.
a=\sqrt{6,25-0,49}
Calculate 0,7 to the power of 2 and get 0,49.
a=\sqrt{5,76}
Subtract 0,49 from 6,25 to get 5,76.
a=2,4
Calculate the square root of 5,76 and get 2,4.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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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