Question

39.
If x= 9 + 4V5, find the value of VX -​

Answer 1

Answer:

X=9+4√5

√X=√(9+4√5)

=√(9+2√20)

=√5+√4 ans

Step-by-step explanation:

is type ke question root ke saath always 2 rakhenge aur phir root ke andar jo number banega uska factor is tarah lenge ki uska multiply wohi number ho aur add karne par uske saath jo no. add hai vo aaye phor dono par root laga ke plus rahe to plus minus rahe to minus rakhenge.

here

20=5×4

5+4= 9

I think you understand

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