Homework Statement
By differentiating the summation, show that ∂/∂b₀ ƒ(b₀ , b₁) = -2 ∑_(i=1)^n (y₁ - b₀ - b₁x₁)
Homework Equations
the ‘derivative of the sums’ equals ‘the sum of the derivatives’:
The Attempt at a Solution
How would we partially differentiate a summation...