Neural Networks and Deep Learning Week4 Assignment 2 exercise 9

Course Q&A Deep Learning Specialization Neural Networks and Deep Learning
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what should i put instead of the activation cache in linear activation backword

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Hi, Ali Waleed.

Just recall what you did in the forward_pass? Using the activation Relu—> Sigmoid. Now, while doing the backward prop, what activation will you initiate in the first place?

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thank you i solved the problem