Question

3.
Given that a = 3, b= -5 and c = 6, evaluate e
of the following expressions.
(a) a(3c - b) \(b) ab? – ac
b/a-c/b​

Answer 1

Answer:

(a). a(3c-b)

3{3*6-(-5)}

3(18+5)

3(23)

69.

(b). ab²-ac

{(3)(-5)²} - {(3)(6)}

(3*25)-(18)

75-18

93.

(c). b/a-c/b

(-5)/3 - 6/(-5)

{(-25)-(-18)} / 15

(-25+18) / 15

-7 / 15.

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