1.

Let cos−1(x)+cos−1(2x)+cos−1(3x)=π. If x satisfies the cubic equation ax3+bx2+cx−1=0, then a+b+c has the value equal to

Answer»

Let cos1(x)+cos1(2x)+cos1(3x)=π. If x satisfies the cubic equation ax3+bx2+cx1=0, then a+b+c has the value equal to



Discussion

No Comment Found