Advertisement Remove all ads

Find the Value Of. ( 1 2 ) − 2 + ( 1 3 ) − 2 + ( 1 4 ) − 2 - Mathematics

Sum

Find the value of.

`(1/2)^(-2)+(1/3)^(-2)+(1/4)^(-2)`

Advertisement Remove all ads

Solution

`(1/2)^(-2)+(1/3)^(-2)+(1/4)^(-2)= (2/1)^(2)+(3/1)^(2)+(4/1)^(2)`     `(thereforea^(-m)=1/a^m)`

= 22 + 32 + 42 = 4 + 9 + 16 = 29

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 12 Exponents and Powers
Exercise 12.1 | Q 3.3 | Page 197
Advertisement Remove all ads

Video TutorialsVIEW ALL [1]

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×