Question

find a*b where a = {x/x=2,4,6}, B= {y/y=x²}

Answer 1

Step-by-step explanation:

x² — 3x +1 =0 (given) On dividing LHS & RHS of the above equation by x We get, x — 3 +1/x =0 ... x^2 + 2 + 1/x^2 = 9 (square both sides) ... 3 + 3² —2 ( by putting up the value of x+1/x).