Advertisements
Advertisements
Question
Find the values of m and n if the following polynomial is a perfect square
x4 – 8x3 + mx2 + nx + 16
Advertisements
Solution

Since it is a perfect square
m – 16 – 8 = 0
m – 24 = 0
m = 24
n + 32 = 0
n = – 32
∴ The value of m = 24 and n = – 32
APPEARS IN
RELATED QUESTIONS
Find the square root of the following rational expression
`(121("a" + "b")^8 (x + y)^8 ("b" - "c")^8)/(81("b" - "c")^4 ("a" - "b")^12 ("b" - "c")^4)`
Find the square root of the following
4x2 + 20x + 25
Find the square root of the following
9x2 – 24xy + 30xz – 40yz + 25z2 + 16y2
Find the square root of the following
`1 + 1/(x^6) + 2/(x^3)`
Find the square root of the following
`(2x^2 + 17/6 x + 1) (3/2 x^2 + 4x + 2) (4/3 x^2 + 11/3 x + 2)`
Find the square root of the following polynomials by division method
x4 – 12x3 + 42x2 – 36x + 9
Find the square root of the following polynomials by division method
16x4 + 8x2 + 1
The values of a and b if 4x4 – 24x3 + 76x2 + ax + b is a perfect square are
Find the square root of 289x4 – 612x3 + 970x2 – 684x + 361
Solve `sqrt(y + 1) + sqrt(2y - 5)` = 3
