因式分解:(p ²+4q ²)²-16p²q²
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因式分解:(p ²+4q ²)²-16p²q²
因式分解:(p ²+4q ²)²-16p²q²
因式分解:(p ²+4q ²)²-16p²q²
解
(p²+4q²)²-16p²q²
=(p²+4q²)²-(4pq)²
=(p²+4q²-4pq)(p²+4q²+4qp)
=(p-2q)²(p+2q)²
(p ²+4q ²)²-16p²q²
=(p ²+4q ²+4pq)(p ²+4q ²-4pq)
=(p+2q)²(p-2q)²