Question

if 3y-1/3y = 3, find the value of:.

a. 9y²+1/9y²​

Answer 1

Step-by-step explanation:

$\tt\red{ QUESTION}$$\tt\blue{::}$

if 3y-1/3y = 3, find the value of:.

a. 9y²+1/9y²

$\tt\red{ ANSWER}$$\tt\blue{::}$

$3y - \frac{1}{3} y = 3 \\ \\ 2 \frac{2}{3} y = 3 \\ \\ \frac{3 \times 2 + 2}{3} = 23 \\ \\ \frac{8}{3} y = 23 \\ \\ y = 23 \times \frac{3}{8} (reciprocol) \\ \\ y = \frac{23 \times 3}{8} \\ \\ y = \frac{69}{8} ans$