If `a^(3)+b^(3)=20` and `a+b=5` then find `a^4+b^4`

If a^3+b^3=20 , and a+b=5, the find the value of a^4+b^4 : यदि a^3+b^3=20 , और a+b=5 a^4+b^4 का मान ज्ञात करें

If a:b=3:4 then find (3a+4b)/(4a-b)

If a :b =3:5 find 2a +3b: 4a+5b

If A=(1,2,3) and B=(3,4,5), then find A xx B .

If a : b = 3 : 5 and b : c = 4 : 7 , find a : b : c

If A={2,1,3,4,5} and B={5,4,3} then find A nn B

If A={1,2,3,4,5} and B={4,5,6,7}, then find A-B and B-A. Are they equal?

If A={1,2,3,4,5} and B={4,5,6,7}, then find A-B and B-A. Are they equal?

If A={1,2,3,4,5} and B={4,5,6,7}, then find A-B and B-A. Are they equal?