Question

a²+1/a²=7, find a+1/a​

Answer 1

Answer:

3

Step-by-step explanation:

instead of writing a+1/a we will write $(a+1/a)^{2}$

which is $a^{2} +1/a^{2} +2(a)(\frac{1}{a})$

which is 7+2

a+1/a=√9

=3

Answer 2

heya user !

• please refer to the attached image for your solution.

Thank you ☺