Question

If a^2 + b^2 = 74 and ab = 35, then find a -b.

Answer 1

Answer:

→→ (a-b)² = a²+b²-2ab

→→ (a-b)² = 74-2×35

→→ (a-b)² = 74-70

→→ (a-b)² = 4

→→ a-b = √4

→→ a-b = 2

So the value of (a-b) is 2