Question

. m के किस मान के लिए -4, बहुपद x2-x-(2m + 2) का एक शून्यक है?
| (A) 7
(B) 8
(C) 9
(D) 5​

Answer 1

m = 9     m के 9 मान के लिए -4 बहुपद  x²  - x  - (2m + 2) का एक शून्यक है

Step-by-step explanation:

f(x) =   x²  - x  - (2m + 2)

-4, बहुपद  x²  - x  - (2m + 2) का एक शून्यक है

=> f(-4)  = 0

=> (-4)²  -(-4)  - (2m + 2) = 0

=> 16 + 4 - 2m - 2 = 0

=> 2m = 18

=> m = 9

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