Expand the binomial:
(√2/5 + 5/2 <em>i</em> )² = (√2/5)² + 2<em>i</em> (√2/5) (5/2) + (5/2 <em>i</em> )²
… = 2/25 + √2 <em>i</em> + 25/4 <em>i</em> ²
… = -617/100 + √2 <em>i</em>
Answer:
Its 3
Step-by-step explanation:
Answer:
please post the pic or figure of the questions
Answer:
r ≈ 6 inches
Step-by-step explanation:
r=≈5.99696 which rounds to 6