Question

(b) a2 + 3b for a = 2, b = -1
(d) x2 + y2 for x = -1, y = -2
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Answer 1

Step-by-step explanation:

(i) a2 +3b

= (2)2 +3(-1)= 4-3=1

(i) x2 + y2

= (-1)2 + (-2)2= -2 -4= -6