AQA A Level Maths Specimen Material Paper 1 Q14: Real Life Differentiation

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A real life Differentiation question to find minimum cost!

Welcome to my walkthrough of the AQA A Level Mathematics Specimen Material Paper 1!

AQA A Level Maths Formulae Booklet and Statistical Tables:

This paper makes excellent revision forA Level Maths exams in 2019 and beyond, regardless of your exam board; AQA, Edexcel or OCR.

For this A Level Maths paper, I'm doing each question in its on video, and in this one, we are looking at QUESTION 14, which is a real life Differentiation modelling problem.

For any A Level Maths requests, send a message to the Maths With Melv Facebook page or leave a comment down below!

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Ohhh I understand now, thank you so much for some reason part bi wouldn't click in my head! Really appreciated. Btw I believe it should've been 0.025m not 0.0025m, not that it really matters just in case anyone gets confused :) Tysm!

davidphelan