Problem

If \( a_{1}=2 \) and \( a_{n}=\left(a_{n-1}\right)^{2}-2 \) then find the value of \( a_{4} \).
Answer:
Submit Answer

Answer

Expert–verified

Hide Steps

Answer

a_4 = (a_3)^2 - 2 = (2)^2 - 2 = 2

Steps

Step 1 ：a_2 = (a_1)^2 - 2 = (2)^2 - 2 = 2

Step 2 ：a_3 = (a_2)^2 - 2 = (2)^2 - 2 = 2

Step 3 ：a_4 = (a_3)^2 - 2 = (2)^2 - 2 = 2

link_gpt

Popular Problems

Compute $\int_{0}^{\ln (2) / … Solve the triangle. \[ \mathr… QUESTION 2 - 1 POINT Solve th… 5. Suppose you are a computer… Answer the statistical measur… $(-\infty, 2) \cap(-6, \infty… A firm does not pay a dividen… Math 112 Section: 4. Tubercul… Find $y^{\prime}$ if $y=\ln \… 3. (3pts) Cherry trees in a c… More