if a ( a + 5 ) = 6 and b ( b + 5 ) = 6 , where a ≠ b , then a + b =
"i . e . if a = 1 then b = - 6 or if a = - 6 then b = 1 but in each case a + b = - 6 + 1 = - 5 answer : option a"
add(divide(6, const_10), divide(6, divide(6, const_10)))