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CBSE Class 12-science Answered

In R.D.Sharma Ex.5.1 Ques.17,
y^2+1=26
y=5
How???
should'nt the ans. be 5,-5???
Therefore,x+y=7,-3
Asked by Sourav Sett | 02 Jun, 2014, 11:58: AM
answered-by-expert Expert Answer
Yes, you are right.
y squared equals 25 rightwards double arrow y equals plus-or-minus 5 x equals 2 space a n d space y equals plus-or-minus 5 rightwards double arrow x plus y equals 7 space o r space minus 3
Answered by Vimala Ramamurthy | 02 Jun, 2014, 01:05: PM

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