I. ` x^(2) + 20=9x` II. ` y^(2)+42=13y`A. if ` x ge y,`i.e., x is greater than or equal to y.B. if `x gt y`, i.e., x is greater than y.C. if ` x le y`, i.e., x is less than or equal to y.D. if ` x lt y`, i.e., x is less than y.

I. ` x^(2) + 20=9x` II. ` y^(2)+42=13y`A. if ` x ge y,`i.e., x is grea

1.	I. ` x^(2) + 20=9x` II. ` y^(2)+42=13y`A. if ` x ge y,`i.e., x is greater than or equal to y.B. if `x gt y`, i.e., x is greater than y.C. if ` x le y`, i.e., x is less than or equal to y.D. if ` x lt y`, i.e., x is less than y.
Answer» Correct Answer - D I. ` x^(2) - 9x + 20 = 0` ` rArr x^(2) - 5x - 4x+20= 0` ` rArr x(x-5)-4(x-5)= 0 =(x-4)(x-5) = 0` ` x = 4 or 5` II. ` y^(2) - 13y+42 = 0` ` rArr y^(2) - 7y-6y+42 = 0` ` rArr y(y-7)-6(y-7) = 0 ` ` rArr (y-6) (y-7) = 0` ` rArr y = 6 or 7` Here, ` y gt x`

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I. ` x^(2) + 20=9x` II. ` y^(2)+42=13y`A. if ` x ge y,`i.e., x is greater than or equal to y.B. if `x gt y`, i.e., x is greater than y.C. if ` x le y`, i.e., x is less than or equal to y.D. if ` x lt y`, i.e., x is less than y.

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