Most Important Selected Qs for JEE AdvancedMathematicsQuadratic Equation
If 8 ^3+ ^3- ^3+6 =0 and ^2+3 =2 where , , R and + 0 , then find the largest integral value of .
Correct answer
4
Step-by-step solution
aligned & (2 )^3+ ^3+(- )^3=3(2 )( )(- ) & 2 + - =0 = -2 & 2 = =- + =0 & But + 0 & ^2+3 =2( -2 ) & ^2+4 + =0 & aligned or For to be real, D 0 16-4 0 4