3. Find (x + y) + (x - y) if
i) x=5/2, y=-3/2
ii)x=1/4,y=3/2
Answers
Answered by
4
Answer:
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Answered by
2
Answer:
i) 5
ii) 1/2
Step-by-step explanation:
Substitute the Values of X and Y
5/2 + 3/2 = x + y
8/2 = x+y
4 = x+y
5/2 - 3/2 = x - y
2/2 = x - y
1 = x - y
Therefore
X+y + x-y = 4 + 1 = 5
II)
1/4 +3/2 = 7 / 4
1/4 - 3/2 = -5/4
7/4 + - 5/4 = 2/4 =1/2
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