Question

1/√5-2 Rationalise following​

Answer 1

Answer:

it is the answer

hope it helps u

Answer 2

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=> $\frac{ 1 }{ √5~-~2}$

Multiply and divide with "√5 + 2"

=> $\frac{ 1 }{ √5~-~2}$ × $\frac{ √5~-~2}{ √5~+~2}$

• Apply formula
• (a + b) (a - b) = a² - b²

=> $\frac{ 1~×~(√5~+~2) }{ (√5)² ~ - ~ 2² }$

=> $\frac{ √5~+~2}{ 5~-~4}$

=> $\frac{ √5~+~2}{ 1 }$ ☑️

$\huge\bold\green{꧁}$$\sf\pink{\fbox{\sf{MsDiplomatic}}}$$\huge\bold\green{꧂}$