Advertisements
Advertisements
Question
Simplify:
`(6 - sqrt(5))^2`
Simplify
Advertisements
Solution
Given: `(6 - sqrt(5))^2`
Stepwise calculation:
Use the formula for the square of a binomial (a – b)2 = a2 – 2ab + b2:
= `6^2 - 2 xx 6 xx sqrt(5) + (sqrt(5))^2`
Calculate each term:
= `36 - 12sqrt(5) + 5`
Combine the rational terms:
= `41 - 12sqrt(5)`
shaalaa.com
Is there an error in this question or solution?
