Question

Find a and b if 3+2√3/3-2√3 = a-b√3

Answer 1

Step-by-step explanation:

(3+2*3½/3-2*3½) = a - b*3½

(3+2*3½/3-2*3½)(3+2*3½/3+2*3½)

(3+2*3½)²/(3-2*3½)(3+2*3½)

(9+12*3½+12) / 9-12

21 + 12*3½ / -3

(21/-3) + (12*3½/-3) = a - b*3½

-7 - 4*3½ = a - b*3½

तुलना करने पर

a = -7 , b = 4