Math, asked by gaurav3116, 6 months ago

if x=√5+2,than find x-1/x​

Answers

Answered by nagubaikadapa
2

Answer:

√5++1/√5+2

u can do rationalisation

if u want

Answered by dhanyasreetarigopula
0

Answer:x=√5+2

x-1/x= (√5+2)-1/√5+2

=√5+2-1/√5+2

=√5+1/√5+2

=√5+1/√5+2×√5-2/√5-2

=(√5+1)(√5-2)÷(√5)²-(2)²

=√5(√5-2)+1(√5-2)

=5-2√5+√5-2

=3-√5

Step-by-step explanation:

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