Question

let's find the value of a^2+1/a^2when a+1/a=4​

Answer 1

Step-by-step explanation:

A+1/a=4

squaring both sides we get

a2+1/a2+2*a*1/a=16

a and 1/a will cancel out each other so we are left with

a2+1/a2+2=16

a2+1/a2=14