Question

4. Check the divisibility of the following numbers by 2, 3, 4, 5, 6, 8, 10 and 11. Colour
the box green if divisible and red if not divisible.
Number
2.
5
5,381
81,620
61,800
65,175
4,26,972
2,98,53,300​

Answer 1

Answer:

a^6 + a^3 - 8a^3 - 8

= a^3 ( a^3 + 1) - 8 ( a^3 + 1)

= (a^3 - 8)(a^3 + 1)

= [ (a)^3 - (2)^3] [ (a)^3 +(1)^3]

= (a-2)(a^2 + 2a + 4)(a+1)(a^2 - a + 1)

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Step-by-step explanation: