\frac { 3 } { 4 } - ( \frac { - 1 } { 2 } ) ( \frac { 5 } { 8 } ) = ( ( \frac { - 1 } { 4 } ) ( \frac { - 1 } { 4 } ) ]
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\frac{3}{4}-\frac{-1}{2}\times \frac{5}{8}=\left(\frac{-1}{4}\right)^{2}
Multiply \frac{-1}{4} and \frac{-1}{4} to get \left(\frac{-1}{4}\right)^{2}.
\frac{3}{4}-\left(-\frac{1}{2}\times \frac{5}{8}\right)=\left(\frac{-1}{4}\right)^{2}
Fraction \frac{-1}{2} can be rewritten as -\frac{1}{2} by extracting the negative sign.
\frac{3}{4}-\frac{-5}{2\times 8}=\left(\frac{-1}{4}\right)^{2}
Multiply -\frac{1}{2} times \frac{5}{8} by multiplying numerator times numerator and denominator times denominator.
\frac{3}{4}-\frac{-5}{16}=\left(\frac{-1}{4}\right)^{2}
Do the multiplications in the fraction \frac{-5}{2\times 8}.
\frac{3}{4}-\left(-\frac{5}{16}\right)=\left(\frac{-1}{4}\right)^{2}
Fraction \frac{-5}{16} can be rewritten as -\frac{5}{16} by extracting the negative sign.
\frac{3}{4}+\frac{5}{16}=\left(\frac{-1}{4}\right)^{2}
The opposite of -\frac{5}{16} is \frac{5}{16}.
\frac{12}{16}+\frac{5}{16}=\left(\frac{-1}{4}\right)^{2}
Least common multiple of 4 and 16 is 16. Convert \frac{3}{4} and \frac{5}{16} to fractions with denominator 16.
\frac{12+5}{16}=\left(\frac{-1}{4}\right)^{2}
Since \frac{12}{16} and \frac{5}{16} have the same denominator, add them by adding their numerators.
\frac{17}{16}=\left(\frac{-1}{4}\right)^{2}
Add 12 and 5 to get 17.
\frac{17}{16}=\left(-\frac{1}{4}\right)^{2}
Fraction \frac{-1}{4} can be rewritten as -\frac{1}{4} by extracting the negative sign.
\frac{17}{16}=\frac{1}{16}
Calculate -\frac{1}{4} to the power of 2 and get \frac{1}{16}.
\text{false}
Compare \frac{17}{16} and \frac{1}{16}.
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}