Question

(2+3akar 6)^2=.....

Dengan caranya......

Answer 1

(2+3√6)² = 4 + (9.6)
               = 4 + 54
                = 58

Answer 2

(a+b)²=a²+2ab+b²
(2+3√6)²=2²+2(2)(3√6)+(3√6)²
=4+12√6+54
=58+12√6