₀∫∝ e⁻ᵘ²du=√π/2, find the exact values of the following improper integrals ₀∫∝ e⁻⁷/ˣ²/2dx=
A) -√π/4 and √π/√7
B) -√π/2 and √π/√7
C) -√π/4 and √π/7
D) -√π/2 and √π/7
E) -√π/4 and√π/7