Question

if x equal to -13/17 then the value of -1/x equal to​

Answer 1

Answer:

gtfdddddddddddddddddddddd

Step-by-step explanation:

Answer 2

Answer:     Expanding, we get

n

C  

1

​  

xy  

n−1

+2  

n

C  

2

​  

x  

2

y  

n−2

+3  

n

C  

3

​  

x  

3

y  

n−3

+...n  

n

C  

n

​  

x  

n

 

=x[  

n

C  

1

​  

y  

n−1

+2  

n

C  

2

​  

x  

1

y  

n−2

+3  

n

C  

3

​  

x  

2

y  

n−3

+...n  

n

C  

n

​  

x  

n−1

]

=x[  

dx

d(y+x)  

n

 

​  

] ...(keeping y constant.)

=x(n(x+y)  

n−1

)

Now x+y=1,

Hence we get

x(n)

=nx

Step-by-step explanation:   brainlest mark