Question: ffrom the graph it- can be observed that the graph touches on - axis at m = - 4 Therefore , or =- 4 will

\ffrom the graph it- can be observed that the graph touches on - axis at m = - 4 Therefore , or =- 4 will be a rost of multiplicity 2 . Hence , ( x+ 4 )" will be a factor of y ( a ). Again the graph passes through in-zai's at 21 =1 and = 4. Therefore , = 1, 4 will be roots of the equation 5 ( x ) = 0. Hence ( x - 1) ( 21 - 4 ) will be factons of 3 (x )\f

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