Find ‘A‘ If the Two Polynomials Ax3 + 3x2 – 9 and 2x3 + 4x + A, Leave the Same Remainder When Divided by X + 3. - ICSE Class 10 - Mathematics
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Find ‘a‘ if the two polynomials ax3 + 3x2 – 9 and 2x3 + 4x + a, leave the same remainder when divided by x + 3.
`x+3=0` ⇒ `x=-3`
Since, the given polynomials leave the same remainder when dividend by (x-3),
value of polynomial `ax^3+3x^2-9` at x=-3 is sae as value of polynomial `2x^3+4x+a at x=-3`
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Solution Find ‘A‘ If the Two Polynomials Ax3 + 3x2 – 9 and 2x3 + 4x + A, Leave the Same Remainder When Divided by X + 3. Concept: Remainder Theorem.