If \(
a^2 + b^2 + c^2 = ab + bc + ac
\) then \(
\frac{11a^4 + 13b^4 + 17c^4}{17a^2b^2 + 9b^2c^2 + 15c^2a^2}
\)
A toffeee company prepares toffee of 2 different flavours X and Y. The production of 2 flavours over a period of 4 years is expressed In the bae graph given below.
What is the difference between the average production of flavour X in 2017 and 2018 and the average production of flavour Y in 2019 and 2020.