If `a, b, c, a + b + c!=0 and 1/a+1/b+1/c=1/(a+b+c)`,then is `(a+ b +c)^5/(a^5+b^5+c^5)` is

If a,b,c are real, a ne 0, b ne 0, c ne 0 and a+b + c ne 0 and 1/a + 1/b + 1/c = 1/(a+b+c) , then (a+b) (b+c)(c+a) =

If (a + b - c) : ( b + c - a) : (a + c - b) = 6 : 5 : 7 , then (1)/(a) : (1)/(b) : (1)/( c) is equal to:

If ( a + b) : ( b + c ) : ( c + a) = 5 : 12 : 11 and a + b + c =28 , then (1)/( a) : (1)/( b) : ( 1)/( c ) is equal to:

If the arithmetic mean of 0, 5, 4, 3 is a , that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c , then the relation between a , b and c is a=b=c (b) a : b : c=3:2:4 (c) 4a=5b=c (d) a+b+c=12

Suppose a, b, c are positive integers with altbltc such that 1//a+1//b+1//c=1 . The value of (a+b+c-5) is …………

Suppose a, b, c are positive integers with altbltc such that 1//a+1//b+1//c=1 . The value of (a+b+c-5) is …………

Suppose a, b, c are positive integers with altbltc such that 1//a+1//b+1//c=1 . The value of (a+b+c-5) is …………

If 1/a+1/b+1/c = 1/(a+b+c) then (a+b)(b+c)(c+a)=....... a. a b c b. 1/(a b c) c. 0 d. 1