Question

If P =1,q=-1 then value of (P-q)2+Pq is ………………​

Answer 1

Answer:

19

Step-by-step explanation:

Answer 2

Answer:

Answer is 3.

Step-by-step explanation:

Given:

p=1 ,q= -1

To find :

(p - q )2 + pq ........... (i)

Calculation:

putting the value of p and q in (i)

then

= (1 - ( -1 ))2 + (1)(-1)

= ( 1 + 1 )2 + (-1)

= (2)2 - 1

= 4 - 1

= 3