1.

Factorise :67^3+33^3-------------------------67^2+33^2-67*33

Answer»

Question :-

  • SOLVE (67³ + 33³) / (67² + 33² - 67*33) ?

Formula used :-

  • (a³ + b³) = (a + b)(a² + b² - ab)

SOLUTION :-

→ (67³ + 33³) / (67² + 33² - 67*33)

USING (a³ + b³) = (a + b)(a² + b² - ab) in Numerator we get,

→ { (67 + 33)(67² + 33² - 67*33) } / (67² + 33² - 67*33)

→ (67 + 33)

→ 100 (Ans).



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