Question

q . 5 please solve it with correct ans

Answer 1

as the equation have two equal roots
so d=0
b²-4ac=0
p²-4×1×8=0
p²-32=0
p²=32
p=√32
or 5.65

Answer 2

comparing with ax²+bx+c=0
a=1,b=p , c=8
for equal roots D must equal to 0
D=b²-4ac
0=p²-4*1*8
0 = p²-32
p²=32
p=√32
p=4√2