Question

X+1/x=2
X7+1/x5=?
Give answered

Answer 1

Answer:

first we will find x

x+1=2x

x=2x-1

if it is 7x and 5x so

7x+1/5x =

7×2x-1+1/2x-1

14x-14+1/2x-1

28x^2-14x-28x+14+1 ÷ 2x-1

28x^2-42x+15 ÷ 2x-1

56x2 - 69x - 2

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2

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