Evaluate
\frac{120}{7G}
Differentiate w.r.t. G
-\frac{120}{7G^{2}}
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\frac{15\times 8}{G\times 7}
Multiply \frac{15}{G} times \frac{8}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{120}{G\times 7}
Multiply 15 and 8 to get 120.
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