Question

k is equal to root under49 minus 12root5 then find the value of k+2

Answer 1

given ,

k = √49-12√5

k+2 = √49-12√5-2

√49 = 7

k+2 = 7-12√5-2

k+2 = 5-12√5

12√5 = 26.8

k+2 = 5-26.8

k+2 = - 21.8