Question

10. Evaluate the following algebraic expressions:
a)x2+y2 - z2 - 3xyz if x=1, y=-1, z = 2 (b) 6a + 2b2 - ab if a= 2, b=3
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Answer 1

Answer:

Evaluate the following algebraic expressions: a)x2+y2 - z2 - 3xyz if x= 1, y=-1, z = 2 (b) 6a + 2b2 - ab if a= 2, b=3 .