Answer and Explanation
Your Answer is
Correct Answer is J
Explanation
The denominator is 2a×2a + b×b = 4a² + b², the denominator is 2ab
50. For all positive values of a and b, which of the following expressions is equal to 
?
50. For all positive values of a and b, which of the following expressions is equal to ?
Your Answer is
Correct Answer is J
Explanation
The denominator is 2a×2a + b×b = 4a² + b², the denominator is 2ab