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Pls ans 36 in the given attachment of binomial. I can`t get it how to calculate the given expansion

Pls ans 36 in the given attachment of binomial. I can`t get it how to calculate the given expansion

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Grade:10

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137 Points
6 years ago
U can write x+1 as (x^1/3)^3 + (1)^3 = a^3 +b^3 now if u apply formula of (a^3 +b^3) u will easily solve out the first part and for the second part u can write x-1 as (x^1/2)^2 - 1^2 and it is a^2 - b^2 then apply the formula and u will get the answer

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