If 2x cube + ax square - bx- 15 has 2x+3 as a factor and leaves a remainder-5 when divided by x-1 find the value of a and b
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a= - 14 and b= - 8
Add the main equation with 5 and then divide by x-1(take care of brackets and signs). Equate the reminder you get with 0 and you will get the value of b. Then in the main equation, put the value of b that you got and put 1 in place of x and equate the whole equation to 0. You will get the value of a.....
I just hope you can understand my weird explanation!
Add the main equation with 5 and then divide by x-1(take care of brackets and signs). Equate the reminder you get with 0 and you will get the value of b. Then in the main equation, put the value of b that you got and put 1 in place of x and equate the whole equation to 0. You will get the value of a.....
I just hope you can understand my weird explanation!
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