If `|a|=3,|b|=4` and `|a+b|=5`,then Find `|a-b|`

If a-b=4 and a b=45 , find the value of a^3-b^3

If a-b=4 and a b=21 , find the value of a^3-b^3

If a: b= 2: 3, b: c= 4: 5 and c: d= 6: 7 , find : a: b: c:d .

If a = 3, b = 2 and c = -4, find the values of: 2a+3b-5c

If A{1,2,3},B={3,4}and C={4,5,6} , then find the each of the following : (i) A cap(B cupC) (ii) (A-B)cupC (iii) (A cupB)-C (iv) (A cap B)cup C .

If a+ b=5 and ab= 6 , find a^3 + b^3 .

(i) If 3A = 4B = 6C , find : A : B : C . (ii) If 2a = 3b and 4b = 5c , find: a : c .

If A = {1,3,5,7,9} and B = {1,2,3,4,5} then find A cup B and A cap B .

If a : b = 3 : 4 and b : c = 8 : 9, find a : b : c