Question

answer me 24,30,27,35,39 questions of maths of class 9​

Answer 1

39)

x^2 + 1/x^2

:. put X = 2 + √3

=> ( 2 + √3 )^2 + 1/( 2 + √3 )^2

=> 7 + 4√3 + 1 / ( 7 + 4√3 )

=> [ ( 7 + 4√3 )^2 + 1 ] / 7 + 4√3

=> 82 + 56 √3 / 7 + 4√3

=> u continue the given.