यदि abc = 5, ( +  + ) का मान क्या है?

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SSC CGL 2022 Tier-I Official Paper (Held On : 08 Dec 2022 Shift 3)
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  1. 1
  2. (a + b + c)

Answer (Detailed Solution Below)

Option 2 : 1
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दिया गया है:

यदि abc = 5

प्रयुक्त अवधारणा:

abc = 5

⇒ ac =   

⇒ (b)-1 

⇒ b = 

गणना:

\({1 \over 1 \ + \ a \ + \ b^{-1} }\) +  + 

 +  + 

   

 

अतः, ++), का मान 1 है।

Shortcut Trick माना a = b = 1 और c = 5

अब, प्रश्न के अनुसार,

⇒  +

⇒ 1/3 + 1/3 + 1/3

⇒ 3/3 = 1

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