Amount = Principal + Interest P = Principal, A = Amount, I = Interest, n = no. of years, r% = rate of interest The Simple Interest (S.I.): = P*r*n/100 If P is the principal kept at Compound...
(a + b)2 = a2 + b2 + 2ab (a – b)2 = a2 + b2 – 2ab (a + b)2 = (a – b)2 + 4ab a2 – b2 = (a – b) (a + b) a3 + b3 = (a + b) (a2 – ab + b2) a3 – b3 = (a –...