if (x+2) and(x+3)are the factors of x^3+ax+b,find the value of 'a' and' b'.
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Hi the value of a and b are- 19 and- 30 respectively.
Since (x+2) and (x+3) are factors, (x+2)×(x+3) should be a factor.
To find the value of a and b divide given polynomial by it and equate the reminder to zero.
Please find the attachment.
Hope this helps.
Since (x+2) and (x+3) are factors, (x+2)×(x+3) should be a factor.
To find the value of a and b divide given polynomial by it and equate the reminder to zero.
Please find the attachment.
Hope this helps.
Attachments:
manujr:
sir i didnt understand how x^3+ax^2+ax+b come from .the question is only x^3+ax+b.
no it is x^3+0x^2+ax+b....there is no coefficient for x^2...so i kept 0
ok sir thanks
My pleasure. ^-^
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