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Question
Simplify:
`(4 + sqrt(3))(4 - sqrt(3))`
Simplify
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Solution
Given: `(4 + sqrt(3))(4 - sqrt(3))`
Step-wise calculation:
This is in the form (a + b)(a – b) = a2 – b2, where a = 4 and b = `sqrt(3)`.
`(4 + sqrt(3))(4 - sqrt(3))`
= `4^2 - (sqrt(3))^2`
= 16 – 3
= 13
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Chapter 1: Rational and Irrational Numbers - Exercise 1D [Page 27]
