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 | 2nd Jun, 2014, 11:58: AM

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 | 2nd Jun, 2014, 01:05: PM