factorise a4-8lb the corect answer will be marked as brainliest
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Answer:
a4 – b4 = (a2)2 - (b2)2
= (a2 + b2) (a2 – b2)
= (a2 + b2) (a + b) (a – b)
Step-by-step explanation:
ur answer mate mark as brainlist plz
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- When two quantities x and yare in direct proportion (or vary directly), they are written as x ∝ y. Symbol “∝” stands for 'is proportional to'.
- When two quantities x and y are in inverse proportion (or vary inversely) they are written as x ∝ 1 y.
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