Question

if p=24.23, q=25.25 then value of (p+q)-(p-q)​

Answer 1

Answer:

,

Step-by-step explanation:

Correct option is

B

2

9

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

Step-by-step explanation:

p = 24.23

q = 25.25

p+q = 24.23 +25.25 =49.48

p-q = 24.23 - 25.25 = -1.02

therefore :

49. 48 × (- 1.02 ) = -50. 4696