find the gcd of c^2-d^2 and c(c^3-d^3).
A fraction is such that if the numerator is multiplied by 3 and the denominator is reduced by 3 , we get 18/11 , but if the numerator is increased by 8 and the denominator is doubled , we get 2/5 . Then the fraction is.... help me please!!!!!
Expand (998)^3 using suitable identities