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<math>p^3+q^3=(p+q)^3-3pq(p+q)</math><br> =<math>(2)^3-3[{\frac{1}{2}}](2)</math><br>
<math>p^3+q^3=(p+q)^3-3pq(p+q)</math><br> =<math>(2)^3-3[{\frac{1}{2}}](2)</math><br>
=8-3<br>=5
=8-3<br>=5
''to back to concept page'''
[[http://karnatakaeducation.org.in/KOER/en/index.php/Quadratic_Equations#Hints_for_difficult_problems]]