Advertisements
Advertisements
Question
विस्तार करो।
`(a-1/a)^2`
Sum
Advertisements
Solution
(a − b)2 = a2 − 2ab + b2
`(a-1/a)^2`
= `(a)^2 - 2 xx (a) xx (1/a) + (1/a)^2`
= `a^2 - 2 + 1/a^2`
shaalaa.com
Is there an error in this question or solution?
Chapter 14: बैजिक सूत्र - वर्ग विस्तार - प्रश्नसंग्रह 50 [Page 71]
