Question

guys please help answer fast i will mark as brainleist whose answer is step by step correct
please dont spam​

Answer 1

Step-by-step explanation:

a²-7a+1=0

a²+1=7a

(a²+1)/a= 7a/a { dividing on both sides with a }

a+1/a = 7

squaring on both sides :

(a+1/a )²= 7²

a²+ 1/a²+ 2(a) (1/a) = 49 { (a+ b )²= a²+b²+2ab }

a²+1/a²+2 = 49

a²+ 1/a ²= 49 - 2

a²+ 1/a²= 47

Answer 2

Answer:

okay raushan all the best for your goal