Question

If x =

the value of [(

) x -1]

a) 0

b) -1

c) -4/3

d)-3​

Answer 1

Answer:

Answer

p≥

64

−25

Given equation is 8x

2

+5x−2p=0

Here a=8,b=5,c=−2p

For real roots Δ≥0,b

2

−4ac≥0

Thus (5)

2

−4(8)(−2p)≥0

⇒25+64p≥0

⇒64p≥−25

⇒p≥

64

−25