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Question : 48 of 200
Marks:
+1,
-0
Solution:
(2)
I. 25x2+25x+4=0
⇒ 25x2+20x+5x+4=0
⇒ 5x (5x + 4) + 1 (5x + 4) = 0
⇒ (5x + 4) (5x + 1) = 0
⇒ x =−45 or -15
II. 5y2+11y+6=0
⇒ 5y2+5y+6y+6=0
⇒ 5y (y + 1) + 6 (y + 1) = 0
⇒ (y + 1) (5y + 6) = 0
V y = – 1 or−65
Clearly, x > y
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