\frac { 6 } { 7 } \text { de } 21 =
Evaluate
18ed
Differentiate w.r.t. d
18e
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\frac{6\times 21}{7}de
Express \frac{6}{7}\times 21 as a single fraction.
\frac{126}{7}de
Multiply 6 and 21 to get 126.
18de
Divide 126 by 7 to get 18.
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