Math, asked by Akritimishra270208, 8 hours ago

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Answered by poojadancer007delhi

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Answer:

X = -4/7

y = 2/5

X - y not equal to Y- X

-4/7 -(2/5). =. 2/5- (-4/7)

-20-14/35 =. 14-(-20)/35

-34/35 =. 34/35

Hence proved

2). -(X+y) = (-x) + (-y)

-(-4/7+2/5). = {-(-4/7) + (-2/5)

4/7 -2/5. = 4/7 - 2/5

20-14/35 =. 20-14/35

6/35 = 6/35

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