Question

if (p-q)^2=4-4q+q^2 find the value of p​

Answer 1

Answer:

Correct option is

B 9/2

step by step:

p + q = 4

and p

2

+ q

2

= 7

(p + q)

2

= (4)

2

= 16

⇒ p

2

+ q

2

+ 2pq = 16

⇒ 7 + 2pq = 16

⇒ 2pq = 9

pq =

2

9

Answer 2

Answer:

(p)^2-2pq+(q)^2=4-4q+q^2

p^2=4-4q+2pq

p^2=4-2p

p=4-2

p=2

it's your answer