QJEEM24Mafbcf: JEE Main 2024 Mathematics - Class 11 JEEM24Mafbcf Solution: Let be the roots of the equation . The quadratic equation,…
Let α,β be the roots of the equation x2+22x−1=0. The quadratic equation, whose roots are α4+β4 and 101(α6+β6), is:
Multiple Choice Options
Ax2−180x+9506=0
Bx2−195x+9506=0
Cx2−190x+9466=0
Dx2−195x+9466=0
Step-by-Step Verified Solution
amp;x2+22x−1=0amp;α+β=−22 and αβ=−1amp;α2+β2=(α+β)2−2αβamp;=8+2=10amp;α4+β4=(α2+β2)2−2(αβ)2amp;=100−2=98amp;α6+β6=(α2+β2)3−3α2β2(α2+β2)amp;=1000−3(10)amp;=970amp;∴101(α6+β6)=97