Question

the value of { x + 1/x }^2 is: a) x^2 + 1/x^2 b) x^2 - 1/x^2 c)x^2 + 1/x^2 + 2 d) x^2 - 2 + 1/x^2​

Answer 1

Answer:

Answer is C

Step-by-step explanation:

Here apply the formula of (a+b)^2 = a^2 +b^2 + 2ab