Question

Evaluate ab−0.5b a=1 b=5

Answer 1

$\mathfrak{\huge{\red{ANSWER}}}$

$ab \: - 0.5b \\ \\ where \: a \: = 1 \: and \: b = 5 \\ \\ = \geqslant putting \: the \: value \\ \\ = \geqslant 1 \times 5 - 0.5 \times 5 \\ \\ = \geqslant 5 - 2.5 \\ \\ = \geqslant 2.5 \: answer$

Answer 2

HERE IS YOUR ANSWER

ab - 0.5b

put a = 1 , b = 5

1 × 5 - 0.5 × 5

5 - 2.5

2.5