If `a:b=2:3` & `b:c=4:5` then find the value of `a:b:c`

If A:B=3:4, B:C=5:2 then find the value of A:B:C.

If a:b=2:3 and b:c=5:7 then find a:c and a:b:c

If a+b+c=1 , ab+bc+ca=-2 and abc=1 then find the value of a^4+b^4+c^4

If a:b=4:5 and b:c=2:3, then a:c=

In triangle ABC , if a=3, b=4, and c=5, then find the value of cosA.

If a= 5, b= 4, c=8 then find the value of (a^(3) + b^(3) + c^(3)-3abc)//(ab+ bc+ ca- a^(2) -b^(2)-c^(2)) A 15 B 17 C -17 D -15

If A:B=2:3 and B:C=4:17, then find A:B:C

If a:b=5.6 and b:c=4:7 then a:b:c=

If a+b+c=3 and ab+bc+ca=5 is given then find the value of a^(3)+b^(3)+c^(3)-3abc