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horsena [70]
3 years ago
5

Solve :1/1-x^a-b +1/1-x^b-a​

Mathematics
1 answer:
Stolb23 [73]3 years ago
4 0

The answer  to the above eqaution is 1

Step-by-step explanation:

Proceeding step by step

Step 1= 1/(1-xᵃ⁻ᵇ)+ 1/(1-xᵇ⁻ᵃ)

on rearranging the equation (b-a) as -(a-b) and substituting the value

Step 2= 1/(1-x ᵃ⁻ᵇ) + 1/(1-x -⁽ᵃ⁻ᵇ⁾ )

Using the indices corrolary that 1/1- x ⁻ᵃ= -xᵃ/ (1- x ᵃ) and subsituting the value of the expression in the step mentioned below

Step 3=1/(1+x ᵃ⁻ᵇ) - (x ᵃ⁻ᵇ)/(1-x ᵃ⁻ᵇ)

Since the denominators are the same the two fractions can be added with common denominator being 1+x ᵃ⁻ᵇ

On adding the above mentioned step 3 we get

Step 4=(1- x ᵃ⁻ᵇ) / (1- x ᵃ⁻ᵇ)

          =1

Thus the value of equation =1

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