Question

of 5x +1/x =6 let's show 25x²+1/x²=26​

Answer 1

Answer:

Step-by-step explanation:

5x +1/x =6

On squaring both sides-

(5x +1/x)^2 =6^2

25x^2 + 1/x^2 + 2*5x*1/x = 36 since (a+b)^2 = a^2 + b^2 + 2*a*b

25x^2 + 1/x^2 + 10 = 36

25x^2 + 1/x^2 = 36-10

25x²+1/x²=26