Question

1. Ifa and b are rational numbers and 2+√3÷2-√3=a+b√3find the value of a²+b²​

Answer 1

Answer:

2+√3/2-√3=a+b√3

Rationalise the Expression

2+√3/2-√3×2+√3/2+√3

(2+√3)^2/(2)^2-(√3)^2

4+3+4√3/4-3

7+4√3

Given,

a+b√3

a=7

b=4

putting he values in a^2+b^2

(7)^2+(4)^2

49+16

=65

Answer 2

Step-by-step explanation:

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