Question

3. If a = + 1 and b = -2, find the value of:
(a) a² + 2ab
(b) a² + ab + b
(c) a² - 62 +4ab (d) 3a + 56
(e) - 6a² + 5ab
(f) - 4 + 5ab​

Answer 1

Answer:

a=1, b=(-2)

a) (1)²+2(1)(-2) => 1+(-2) => -1

b) (1)²+(1)(-2)+(-2) => 1+(-2)-2 => -3

c) (1)²-62+4(1)(-2) => 1-62+(-8) => -69

d) 3(1)+56 => 59

e) -6(1)²+5(1)(-2) => -6+(-10) => -16

f) -4+5(1)(-2) => -4-10 => -14

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Answer 2

Answer:

These were some inclusives.