MyQuestionIcon

1

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

Importance of Brackets

If 3x=2700 ...

Question

If $3^{x} = 2700$ then find the value of $3^{x + 2} + 3^{x - 2}$

A

25600

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

B

24600

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

C

2200

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

D

2400

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

Open in App

Solution

The correct option is B $24600$
$3^{x} = 2700$
$3^{x + 2} + 3^{x - 2} = 9 \times 3^{x} + \frac{3^{x}}{9} = 9 \times 2700 + \frac{2700}{9}$
$= 24300 + 300 = 24600$

Suggest Corrections

thumbs-up

0

Similar questions

3 (x + 5) - (x + 2) = 2 x - 3 x + 4

, then find the value of

x

.

3^{x + 2} - 3^{x} = 6^{3} (3^{8})

, find the value of

x

3^{x} = 500

, then the value of

3^{x - 2}

(5 x - 3 x) (2 - 3 x)^{1 / 2} = 0

. Then find the value of

x

\frac{x^{3} + 3 x}{3 x^{2} + 1} = \frac{189}{61}

then find the value of

x

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

BODMAS

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Importance of Brackets

Standard VI Mathematics

Join BYJU'S Learning Program

CrossIcon