Question

factorise 30a^2+4b^2+36c^2-4√3ab+24bc-12√3ca

Answer 1

Answer:

(2b+1/b)^2= 4b^2 + 1/b^2 + 4. (a+b)^2= a^2 + b^2 +2ab. (2b^+1/b)^2 = 6. (2b+1/b)= -√6,√6 . (a+b)^3 = a^3 + b^3 +3ab(a+b).