Home » Classroom » JAMB Mathematics 1990 Question

If a 2 b -2 and c - frac 1 2 evaluate ab2 - bc2... - JAMB Mathematics 1990 Question

If a = 2, b = -2 and c = -\(\frac{1}{2}\), evaluate (ab2 - bc2)(a2c - abc)
A
2
B
-28
C
-30
D
-34
correct option: d

(ab2 - bc2)(a2c - abc)

[2(2)2 - (- 2x(\frac{1}{2}))] [22(-(\frac{1}{2})) - 2(-2)(-(\frac{1}{2}))]

[8 = (\frac{1}{2})][-2 - 2] = (\frac{17}{2}) x 42

= -34

Please share this, thanks:

#JAMB #JAMB

Add your answer

Notice: Please post responsibly.

No responses