Question

please answer this question (attached)

Answer 1

Answer:

1

Step-by-step explanation:

Given,

$a + \frac{1}{a} = 3$

$= > {a}^{2} + 1 = 3a \: \: ......(i)$

Now,

$\frac{4a}{ {a}^{2} + a + 1 } = \frac{4a}{3a + a} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: (from(i))$

$= \frac{4a}{4a} = 1$

Answer 2

Answer:

Plz dont post questions of biplab sir

Step-by-step explanation:

I am Suhail Chakraborty, studying in South Point High School

Class-(VIII), SEC-(B)(MORN)

Tor nam ta ki?