Class 11MathematicsTrigonometric FunctionsMix Examples-Trigonometrical Ratios, Functions and Identities
Difficultજો $a = \frac{x}{y-z}$,$b = \frac{y}{z-x}$,અને $c = \frac{z}{x-y}$,જ્યાં $x, y$,અને $z$ ભિન્ન છે જેથી $x-y, y-z, z-x \neq 0$,તો $ab + bc + ca + abc$ ની કિંમત શું થાય?
- A$0$
- B-$1$
- C$1$
- D$2$
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