Question

answer above mentioned question

it is two marks question ​

Answer 1

Answer:

The given equation is  $x^2-px+16=0$

The this equation has equal roots then Discriminant D=0

=> $b^2-4ac=0$ , where b= -p , a=1 and c =16

=> $p^2-4(16)=0$

=> p =  $\sqrt{64}$ = ±8