Math, asked by nshsemwal, 3 months ago

.. यदि (x - 2) बहुपद x - 2mx + mx -1 का एक गुणनखण्ड है तो m का मान ज्ञात कीजिए-​

Answers

Answered by amitnrw
1

Given :    (x - 2) बहुपद x - 2mx + mx - 1 का एक गुणनखण्ड है  

To Find :  m का मान  

Solution :

x - 2 = 0

=>  x = 2

x - 2   f(x) का एक गुणनखण्ड है

=>    x = 2 का मान f(x) में रखने पर वह 0 के बराबर होगा,

=> f(2) = 0

 f(x) = x - 2mx + mx - 1

=> f(2) = 2 - 2*m*2 + m*2 - 1

=>  f(2) = 2 - 4m + 2m - 1

=> f(2) = 1 - 2m

f(2)  = 0

=> 1 - 2m = 0

=> 2m = 1

=> m = 1/2

 m का मान (1/2) होगा  

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