Question

verify that (x+y)‐¹ not equql to x‐¹+y‐¹ by taking x=2/3 and y=-5/6​​

Answer 1

Answer:                        

Here we can write (x+y) whole power -1 as 1/x+y

x power -1 + y power -1 can be written as 1/x+1/y

Given

x=2/3 and y=-5/6

first case=1/2/3-1/5/6 = -6 The value of the first case is -6

second case = 1/2/3-1/5/6=3/10

Therefore values are not equal

Hence verified

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