Practicing Success
If $ a + \frac{1}{a} = 8,$ then what is the value of $\frac{1}{a^4} +a^4 $ ? |
4098 3846 3842 4094 |
3842 |
If $ a + \frac{1}{a} = 8,$ then what is the value of $\frac{1}{a^4} +a^4 $ If $K+\frac{1}{K}=n$ then, $K^2+\frac{1}{K^2}$ = n2 – 2 If $ a + \frac{1}{a} = 8,$ Then, $ a^2 + \frac{1}{a^2}$ = 82 – 2 = 62 And, $ a^4 + \frac{1}{a^4}$ = 622 – 2 = 3842 |