TMUA Specimen Paper 2 Q15 — Worked Solution

P2·Inequalities, Algebra & Surds·5.0Specimen · P2 · Q15

inequality-manipulationmulti-statementsign-of-multiplier

For any real numbers

a

b

, and

c

where

a \geq b

- b \geq - a

a^{2} + b^{2} \geq 2 ab

a c \geq b c

Which of the statements

1

2

, and

3

must be true?

Discussion

No discussions yet. Stuck, or want to share an approach? Start the first one.