Question 7

Find the value of $$\frac{(768)^3 + (232)^3}{(768)^2 - (768 \times 232) + (232)^2}$$

Solution

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let say 

a = 768

b = 232

therefore the formula for $$a^{3} + b^{3}$$ = (a+b)($$a^{2} - ab + b^{2}$$)

using this we conclude that the answer is a+b i.e 768+232 = 1000 

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