CUET Preparation Today
If a + b = 11 and ab = 35, then what is the value of $(a^4+b^4)$? |
151 261 124 102 |
151 |
If a + b = 11 ab = 35 If a + b = n Then a2 + b2 = n2 - 2ab So, a2 + b2 = 112 - 2 × 35 a2 + b2 = 121 - 70 = 51 and, a4 + b4 = 512 - 2 × 35 × 35 = 151 |
