Math, asked by sonamsonam09127, 1 month ago

find the common difference of the Ap 1/a,1_a/a, 1_2a/a?

Answers

Answered by amankumaraman11
2

 \cal{AP : }  \:  \: \tt \frac{1}{a} , \:  \frac{1 -a }{a} ,  \: \frac{1 - 2a}{a}  \\  \\

 \text{Common Difference =}  \: \tt a_2 - a_1  = a_3 – a_2\\

So,

 \text{Common Difference of this AP} \\  \\  \to \tt \frac{1 - a}{a}  -  \frac{1}{a}  \\  \\\to \tt   \frac{1 - a - 1}{a} =   \frac{ \cancel1 - a - \cancel1}{a}  \\  \\ \to \tt \frac{ - a}{a}   \:  \: =    \green{- 1} \\ \\\underbrace{ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }   \\  \overbrace{ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }  \\  \\  \to \rm\frac{1 - 2a}{a}  -  \frac{1 - a}{a}  \\  \\  \to \rm \frac{1 - 2a - 1 + a}{a}  \\  \\ \to \rm \frac{ -a }{a}   \:  \:  \: =    \green{- 1}

Hence,

  • It is concluded that the Common Difference of AP is – 1

Answered by dxitenavin
1

Answer:

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