Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Polynomials
The square of the sum of two numbers equals the square of the difference between them. Which of the following has to be true?
1
Both have to be necessarily zero
2
At least one of them has to be necessarily zero
3
One number has to be the negative of the other
4
More than one of the above
5
None of the above