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Manikanda Prabhu

· started a discussion

· 1 Months ago

How (Question: 104746.0 )

How x=11 could u explain

Question:
Directions : In the question two equations numbered I and II are given. You have to solve both the equations and Give Answer If

I. x2 – 22x + 121 = 0

II. y2 = 121

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

From equation I, x = 11

And from equation II, y = -11 or 11

∴ x ≥ y

Knowledge Expert

· commented

· 1 Months ago

x^2 – 22x + 121 = 0

(x-11)^2 = 0

x-11 = 0

x=11


Note: (a-b)^2 = a^2 - 2ab +b^2
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