Wednesday, September 21, 2016
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41st CTP (OMG)
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Join Date: Sep 2010
Location: Sialkot
Posts: 789
Thanks: 86
Thanked 607 Times in 300 Posts
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Quote:
Originally Posted by Greenboat
It is intercepting eliminating, I just forgot to put its values. Let me post it again.
x^2+y=9, x^2-y=1
In order to know the value of y, I change the sign of below equation I.e minus into plus and plus into minus:
x^2+y=9
-x^2+y=-1
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0+2y=8
Y=4
But in book, its answer is 5. Please solve it.
This question came in AD FIA.
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Wrong answer. Correct answer is 4 under this question. If x^2 - y = -1, then y = 5
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