Practicing Success
Practicing Success
CUET Preparation Today
If p + q = 7 and pq = 5, then the value of $p^{3}+q^{3}$ is: |
34 238 448 64 |
238 |
If p + q = 7 pq = 5, then the value of $p^{3}+q^{3}$ If x + y = n then, $x^3 + y^3$ = n3 - 3 × n × xy $p^{3}+q^{3}$ = 73 - 3 × 7 × 5 $p^{3}+q^{3}$ =343 - 105 $p^{3}+q^{3}$ = 238 |
