Find the required surface area (SA) and simplify:

MATHEMATICS · Subjective · CBSE · Mathematics · We Distribute, Yet Things Multiply · We Distribute, Yet Things Multiply

Problem

Find the required surface area (SA) and simplify: 6ℓ2−π(ℓ2)2+2π(ℓ2)26\ell^2 - \pi\left(\frac{\ell}{2}\right)^2 + 2\pi\left(\frac{\ell}{2}\right)^2

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