Question

(√42-2)в квадрате помогите решить

Answer 1

(√42-2)(√42-2)=42-4√42+4=46-4√42

Answer 2

Sure, let's solve the expression step by step:

Step 1: Calculate √42 √42 ≈ 6.4807

Step 2: Subtract 2 from the result of √42 6.4807 - 2 ≈ 4.4807

Step 3: Square the result from Step 2 (4.4807)^2 ≈ 20.0448

So, the value of (√42 - 2)² is approximately 20.0448.