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Francis Jency X

· started a discussion

· 1 Months ago

Answer given is wrong (Question: 110897.0 )

in the equation of y, the value of roots can be +/- 18 and +/- 9 similar to that of x. hence relation CND.

Question:

DIRECTION : In the given question two equations numbered I and II are given. You have to solve both the equations and Give answer if


I. x2 – 365 = 364

II. y - \(\sqrt{324}\)  =  \(\sqrt{81}\)

Options:
A) x > y
B) x ≥ y
C) x < y
D) x ≤ y
E) x = y or the relationship cannot be established
Solution:

I. x2 – 365 = 364

x2 = 364 + 365

x =  \(\sqrt{729}\) = ± 27

II. y - \(\sqrt{324}\)  = \(\sqrt{81}\) 

y - 18 = 9

y = 9 + 18 = 27

∴ y ≥ x

Knowledge Expert

· commented

· 1 Months ago

No.......given answer is only correct.........because in second equation we will take only the sign in which the root has been expressed....Thats it...
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