If a * b=a b/(a+b), find the value of 3 *(3 *-1).

ABC26GN1178 · Simplification

Subject: General Aptitude · Chapter: Simplification · Exam: · Marks: · Difficulty:

If $a * b=\frac{a b}{a+b}$, find the value of $3 *(3 *-1)$.

(a)-3

(b)- 1.5

(c)- 1

(d)$\frac{2}{3}$

Answer

Answer (as printed): A

Explanation

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