Question

Let's find the value of a^2+1/a^2 when a +1/a=4 using with formula Bata do right ans ​

Answer 1

Answer:

a+ 1/a = 4

~ (a+1/a)^2 = (4)^2

~a^2+ 2×a×1/a+ 1/a^2=16

~a^2+1/a^2= 16-2

~a^2+1/a^2=14