Most Important Selected Qs for JEE AdvancedMathematicsBasics of Mathematics
Let equation x^ ₂ x-4 =32 has two real solutions x₁ and x₂ (x₁>x₂ ) , then which of the following is correct?
Options
- Ax₁ x₂=32
- Bx₁+x₂= 65 2
- CCharacteristic of ₃ (x₁ ) is 3
- DMantissa of ₂ (x₂ ) is 0
Correct answer
D. Mantissa of ₂ (x₂ ) is 0
Step-by-step solution
( ₂ x-4 ) ₂ x=5 Let ₂ x=a array ll & a^2-4 a-5=0 (a-5)(a+1)=0 & a=5 or a=-1 x=32 or x= 1 2 array