If `a*b=a^2+b^2,` then the value of `(4*5)*3` is

If a**b=a^(2) then the value of (4**5)**3 is…

In the set of real number R, an operation ** is defined by a**b=(a^2+b^2) . Then the value of (3**4)**5 is ….....

If a binary operation * is defined on the set Z of integers as a*b=3a-b, then the value of (2*3)*4 is (a) 2 (b) 3 (c) 4 (d) 5

In the set of real number R, an operation ** is defined by a**b=sqrt(a^2+b^2) . Then the value of (3**4)**5 is ….....

If a *** b = 2 a + 3b - ab , then the value of (3 *** 5 + 5 *** 3) is

If a:b = 2:5, the find the value of ((3a + 2b))/((4a + b)) .

If 5a+3b:2a-3b=23:5, then the value of a:b is a.11:2backslash b.2:1 c.1:4 d.4:1