Question

if p^2+1/p^2=23,then the value of p+1/p will be-​

Answer 1

Answer:

5

Step-by-step explanation:

(p+1/p)2=p2+(1/p)2+2*p*1/p

let p+1/p=t

t2=p2+1/p2+2

t2= 23+2=25

t=p+1/p= ✓25=5