MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Substitution

If a2 - 3a ...

Question

If $a^{2} - 3 a + 1 = 0$ , then find : $a + \frac{1}{a}$

A

3

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 3
$a^{2} - 3 a + 1 = 0$
$=> a^{2} + 1 = 3 a$
$=> a + \frac{1}{a} = 3$

Suggest Corrections

thumbs-up

0

Similar questions

a^{2} - 3 a + 1 = 0

a + \frac{1}{a}

a^{2} - 3 a + 1 = 0

a^{2} + \frac{1}{a^{2}}

a^{2} - 3 a + 1 = 0

a^{2} + \frac{1}{a^{2}}

a^{2} - 4 a - 1 = 0, a \neq 0

, then the value of

a^{2} + 3 a + \frac{1}{a^{2}} - \frac{3}{a}

a^{2} - 3 a - 1 = 0

find the value of

a^{2} + \frac{1}{a^{2}}

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard VI Mathematics

Join BYJU'S Learning Program

CrossIcon