MHT CET202314 May 2023Evening ShiftMathematicsTrigonometric EquationsActual
If a 2 +b 2 =c has and as its roots, then the value of + is
Options
- A2 b c+a
- B2 a b+c
- Cb c+a
- Da b+c
Correct answer
A. 2 b c+a
Step-by-step solution
aligned & We have, a 2 + b 2 = c & a ( 1- ^2 1+ ^2 )+ b ( 2 1+ ^2 )= c & a - a ^2 +2 ~b = c + c ^2 & -( a + c ) ^2 +2 ~b +( a - c )=0 & + =- 2 ~b -( c + a ) = 2 ~b c + a aligned