- \frac { 3 } { 7 } \text { de } 21 =
Evaluate
-9ed
Differentiate w.r.t. d
-9e
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\frac{-3\times 21}{7}de
Express -\frac{3}{7}\times 21 as a single fraction.
\frac{-63}{7}de
Multiply -3 and 21 to get -63.
-9de
Divide -63 by 7 to get -9.
Examples
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Simultaneous equation
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Integration
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Limits
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