Question

Q28: The zeroes of x? - kx + 6 are in the ratio 3:2, find k.

11th - 12th Class

Maths

Solution

197

4.0 (1 ratings)

( x^{2}-k x+6 ) Lut zecos loe ( alpha & beta ) ( frac{x}{beta}=frac{3}{2} ) Whench eatio be ( 8 y ) ( 7 e operatorname{los} rightarrow 3 y quad & 2 y ) Sumg zeros ( =3 y+2 y=k ) ( 3 y times 2 y=6 ) ( k=5 y ) ( k=5 x 1=5 ) ( y^{2}=6^{2}=1+y=Phi )