Question

Give the answers of these questions....
also solutions...​

Answer 1

Answer:

7.

d=b^2-4ac

d=16a^2-4a(2a+1)

d=16a^2-8a^2-4a

d=8a^2-4a

d=4a(2a-1)

8.

let x be the root of equation

x+x=4a/a

2x=4

x=2

x.x=(2a+1)/a

a×x^2=2a+1

4a=2a+1

a=1/2

9.

d=0

b^2=4ac

16=4p

p=4

Answer 2

Answer:

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