English

Find the value of n. 6n6-2=63 - Mathematics

Advertisements
Advertisements

Question

Find the value of n.

`6^n/6^-2 = 6^3`

Sum

Solution

Given, `6^n/6^-2 = 6^3`

Using law of exponents, `6^n/6^-2 = 6^3`  ...[∵ a is non-zero integer]

⇒ 6n + 2 = 63  ...[∵ am × an = (a)m – n]

On comparing both sides, we get

n + 2 = 3

⇒ n = 1

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Exponents and Powers - Exercise [Page 260]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 8
Chapter 8 Exponents and Powers
Exercise | Q 118. | Page 260

Video TutorialsVIEW ALL [1]

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×