1.

If y=∣∣∣∣f(x)g(x)h(x)lmnabc∣∣∣∣,prove that dydx=∣∣∣∣f′(x)g′(x)h′(x)lmmabc∣∣∣∣

Answer»

If y=∣∣
∣
∣
f(x)g(x)h(x)lmnabc∣∣
∣
∣
,prove that dydx=∣∣
∣
∣
f′(x)g′(x)h′(x)lmmabc∣∣
∣
∣



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