Who first calculated the value of π?

Find the value of x, if 3⁴ × 3ˣ = 3⁸:

If a + b + c = 3, the value of (1 − a)³ + (1 − b)³ + (1 − c)³ − 3(1 − a)(1 − b)(1 − c) is

Find the value of: [(0.05)² + (0.41)² + (0.073)²] / [(0.005)² + (0.041)² + (0.0073)²]

If a + b = a/b + b/a, then the value of a² + b² is –

The value of (-27) × (-16) + (-27) × (-14) is: