Prove that if the numbers x,y are of one sign, then
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Originally Posted by sachinrajsharma Prove that if the numbers x,y are of one sign, then This is not a homework service. You can pay for that.
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I am sorry as I am new to this forum I didnt know that I have to show my work as well.. moreover this is not my homework what I have done
Solving R.HS. i.e.
Please suggest further..
Firstly x and y have to be of same sign for otherwise the we will have square root of a negative number which is not real. Thereafter we know that (a+b)^2+(a-b)^2= 2(a^2+b^2)
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