Question

if a-1/4=4, find the value of a²+(1/a)²
please give the right answer with clear steps​

Answer 1

Answer:

18

Step-by-step explanation:

a-1/a=4

(a-1/a)²=4²

a²+1/a²-2(a)(1/a)=16

a²+1/a²-2=16

a²+1/a²=16+2

a²+1/a²=18