What is backpropagation in Neural networks?

$($a$)$ It is another name given to the curvy function in the perceptron

$($b$)$ It is the transmission of error back through the network to adjust the inputs

$($c$)$ It is the transmission of error back through the network to allow weights to be adjusted so that the network can learn

$($d$)$ It is another name given to the curvy function in the neurons

Group of answer choices

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