Answer:
Squaring means multiplying an expression times itself: (ab)2 means (ab)(ab). But crucially, that's a whole bunch of multiplications. Mark brainly-est
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
[tex]\frac{a+b}{2}[/tex]
Can be expressed as the sum of a and b , all divided by 2
