<span><span>f′</span>(x)=<span><span>(<span>4⋅<span>x3</span>−2⋅<span>x2</span></span>)</span>′</span>=</span><span>=<span><span>(<span>4⋅<span>x3</span></span>)</span>′</span>−<span><span>(<span>2⋅<span>x2</span></span>)</span>′</span>=</span><span>=4⋅<span><span>(<span>x3</span>)</span>′</span>−2⋅<span><span>(<span>x2</span>)</span>′</span>=</span><span><span>=12⋅<span>x2</span>−4⋅x</span></span>
1 м=100 см
1 м²=100*100 см²
1 м²=10000 см²
1/4 м²=10000:4=2500 см²
Ответ:2 500 см².
Легкая задача щас решу) помню в свое время только так их строчил))