Question

If p = -2. q = -1 and r = 3, find the value of
(1) p² +q² -r²
(ii) 2p² - q² + 3r²
iii) p-q-r
(iv) p³ + q³ + r³+3 pqr (v) 3p²q + 5pq² + 2 pqr
vi) p⁴+q⁴-r⁴
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Answer 1

Answer:

1. -4

2.34

3.-4

4.36

5.-10

6.-64

Step-by-step explanation:

PLEASE FOLLOW THE PICTURE ATTACHED WITH IT....