Answer:
2·(a^2 + b^2) = (a + b)^2
2·a^2 + 2·b^2 = a^2 + 2·a·b + b^2
a^2 + b^2 = 2·a·b
a^2 - 2·a·b + b^2 = 0
(a - b)^2 = 0
a = b
Answer: (3,inf)
(-inf,3)
Step-by-step explanation:
a) P (June) = 7/15
b) P (Angad) = 8/15