Factorise 16⁴ − 81 ⁴
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Answer:
16⁴ - 81⁴ = - 42981185
Step-by-step explanation:
➺ 16⁴ - 81⁴
➺ 16×16×16×16 - 81⁴
➺ 65536 - 81⁴
➺ 65536 - 81×81×81×81
➺ 65536 - 43046721
➺ - 42981185
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