Question

3. If p = -2, q=-1 and r = 3, find the value of
(1) p2
+ q-r?
(ii) 2p? - q2 + 3r?​

Answer 1

Answer:

(-2)² + -1 - 3

4 -1-3

0 answer

Answer 2

Answer:

1)-2^2+(-1)-3

4-1-3

=0

2)2×(-2) - (-1)^2 + 3× 3

-4-(1)+9

-5+9

=4