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Eva8 [605]
1 year ago
7

Urgent ;if a^3+b^3=11 and a^3-b^3=5, evaluate a^6-b^6

Mathematics
1 answer:
11111nata11111 [884]1 year ago
5 0

Factorize using the difference of squares identity.

a^6 - b^6 = \left(a^3\right)^2 - \left(b^3\right)^2 = \left(a^3 - b^3\right) \left(a^3 + b^3\right)

Then

a^6 - b^6 = 11 \cdot 5 = \boxed{55}

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