Question

Factorise the following:
(i) x^4+4.
(ii) a^8b^12 + a^12b^8.

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Answer 1

Answer:

i) x⁴ + 4 = (x²)² + 2²

from formula a²+ b² = (a+ b)² - 2 ab

therefore , (x+2)² - 2 × x × 2 =( x+2)²+4x

Answer 2

Step-by-step explanation:

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