Which of the following is obtained by subtracting [y²– x²]— [x²–y²]
Answers
Answered by
1
Step-by-step explanation:
y²-x²-x²+y²
=2y²-2x²
=2(y²-x²)
Answered by
0
Step by step explanation :
y^2 - x^2 - x^2 + y^2
= 2y^2 - 2x^2
= 2 ( y^2 - x^2)
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