rationalize the following :
![\frac{1}{8 + 5 \sqrt{2} } \frac{1}{8 + 5 \sqrt{2} }](https://tex.z-dn.net/?f=+%5Cfrac%7B1%7D%7B8+%2B+5+%5Csqrt%7B2%7D+%7D+)
plzz answer step by step...
Answers
Answered by
1
Answer:
Multiply & divide with its conjugate
We know that
8 + 5√2 conjugate is 8 - 5√2
Using
(a + b)(a - b) = a² - b²
Hence Rationalised
Similar questions