Advertisements
Advertisements
प्रश्न
Factorise the following:
a2 + 10a – 600
Advertisements
उत्तर
Product = – 600, sum = 10
Split the middle term as 30a and – 20a
a2 + 10a – 600 = a2 + 30a – 20a – 600
= a(a + 30) – 20(a + 30)
= (a + 30)(a – 20)
APPEARS IN
संबंधित प्रश्न
Identify constant, linear, quadratic and cubic polynomials from the following polynomials:
`f(x)=0`
Identify constant, linear, quadratic and cubic polynomials from the following polynomials:
`q(x)=4x+3`
If `f(x)=2x^2-13x^2+17x+12` find `f(0)`
If x = 0 and x = −1 are the roots of the polynomial f(x) =2x3 − 3x2 + ax + b, find the value of a and b.
In each of the following, using the remainder theorem, find the remainder when f(x) is divided by g(x) and verify the result by actual division: (1−8)
f(x) = x3 + 4x2 − 3x + 10, g(x) = x + 4
f(x) = 9x3 − 3x2 + x − 5, g(x) = \[x - \frac{2}{3}\]
If x3 + ax2 − bx+ 10 is divisible by x2 − 3x + 2, find the values of a and b.
y3 − 7y + 6
If x − a is a factor of x3 −3x2a + 2a2x + b, then the value of b is
If x + 2a is a factor of x5 – 4a2x3 + 2x + 2a + 3, find a.
