If x + y = a and x - y = b, then evaluate the following. (I)x²-y² (II) 4xy
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If x + y = a and x - y = b, then evaluate the following. (I)x²-y² (II) 4xy
Answered by
1
Answer:
x²-y²=ab
4xy=a²-b²
Explanation in given figure....
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