Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads
Simplify the following expressions:
`(4 + sqrt7)(3 + sqrt2)`
Advertisement Remove all ads
Solution
We can simplify the expression `(4 + sqrt7)(3 + sqrt2)` as
`(4 + sqrt7)(3 + sqrt2) = 4 xx 3 + 4 xx sqrt2 + 3 xx sqrt7 + sqrt7 xx sqrt2 `
`= 12 + 4sqrt2 + 3sqrt7 + sqrt(7xx2)`
`= 12 + 4sqrt2 + 3sqrt7 + sqrt14`
Hence the value of the expression is `12 + 4sqrt2 + 3sqrt7 + sqrt14`
Concept: Operations on Real Numbers
Is there an error in this question or solution?
