x = √30 + √30 + √30.......infinity // x = √30 - √30 - √30.......infinity // x = √30 * √30 * √30.......infinity
Trick:
- Inside number = 30
- 30 = 6 × 5
If "+" sign, answer = big number = 6
If "−" sign, answer = small number = 5
If "x" sign, answer = The number = 30
Remember: “+” means “big”, “−“ means “small”, " x" mean Same Number