Could stretched Invincibles have closed Britain's carrier gap?

Would an 80-foot Invincible extension have kept carrier aviation running until Queen Elizabeth entered service?

It is considered possible, with doubt that an extension alone would necessarily have avoided the gap.

An 80-foot extension is considered as a way Invincible-class carriers could have lasted into the Queen Elizabeth transition. The response is hesitant about whether that would actually have preserved continuous operations. No detailed funding, aircraft or service-life calculation is offered in this short exchange.