Determine the values of r₁​ and r₂ for which the given differential equation has solutions of the form:
y=eʳᵗ,y′′+2y′−3y=0
A) r₁​=1,r₂​=−3
B) r₁​=1,r₂​=3
C) r₁​=−1,r₂​=−3
D) r₁​=−2,r₂​=3