Question

for what value of P the quadratic equation X square - pX + 4 = 2
0 has equal roots

Answer 1

Answer:

p= ²8

Step-by-step explanation:

x²-px+4=2

x²-px+4-2=0

x²-px+2

Now,

b²-4ac=0 if it is equal roots.

a=1;b=p;c=2

p²-4x1x2=0

p²-8=0

p²=√8