@ 'If a = + 1 and b = -2, find the value of:
(a)a2 + 2ab
(b) a2 + ab + b2
Answers
Answered by
1
Answer:
a) -2
b) -4
Step-by-step explanation:
Answered by
0
Answer:
(a) -5
(b)3
Step-by-step explanation:
(a) a2+2ab
substitute the value of a and b in the equation.
(1)+2(1)×(-3)
=1+2×(-3)
=1+(-6)
=1-6
=--5
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